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5/16/24 7:22 GMT
Graphite digestion system with PFA digestion tube, for ICP-OES
Advantages: 1.High Thermal Efficiency: The graphite digestion instrument utilizes graphite as its heating element, which offers excellent thermal conductivity and even heat distribution. This ensures rapid and uniform heating of samples, improving digestion efficiency. 2.Excellent Temperature Control: The instrument is equipped with precise temperature control systems that allow for accurate temperature adjustments and stable operation. This ensures that samples are digested at optimal temperatures, minimizing the risk of over- or under-digestion. 3.Versatility: The graphite digestion instrument is designed to handle a wide range of sample types and volumes. It can be used for digesting solid, liquid samples, making it a versatile tool for various analytical applications. 4.Ease of Operation: The instrument's user-friendly interface and intuitive controls simplify the operation process. Users can easily set parameters, monitor digestion progress, and retrieve results, all with minimal training. 5.Durability and Longevity: The use of high-quality materials and components in the construction of the graphite digestion instrument ensures its durability and longevity. It can withstand frequent use and rigorous laboratory conditions, providing reliable performance over extended periods. 6.Environmentally Friendly: The graphite digestion instrument contributes to a greener laboratory environment by reducing the use of hazardous chemicals and reagents. It also helps minimize waste generation and energy consumption. web: https://www.njbinglab.com Minimum Order: 3 bushels Contact:
Phone: Fax: Email: Nanjing Bin Zhenghong Instrument Co., Ltd
NO.18 YINCHUN ROAD Nanjing 210042 China 5/16/24 3:20 GMT
CEM microwave digestion vessel for detecting trace elements of batteries
Advantages: 1.Material Selection: The inner vessels are crafted using modified polytetrafluoroethylene (TFM), PFA, and PTFE materials, ensuring superior chemical resistance and durability. This choice of materials guarantees a low background value and enhanced performance. 2.Purity and Cleanliness: The vessels are manufactured in a clean environment, without the addition of any recycled materials, ensuring a high level of purity. This results in more accurate and reliable experimental data. 3.Compatibility: These vessels are designed to be fully compatible with various manufacturers' microwave digestion instruments, including CEM models, ensuring seamless integration and operation. 4.Temperature Resistance: The TFM material used in the vessels exhibits excellent resistance to high and low temperatures, ranging from -200°C to +260°C, with a maximum tolerance of up to 300°C. This allows for safe and efficient operation under extreme conditions. 5.Deformation and Permeability Resistance: The TFM material offers improved resistance to deformation and permeation under high temperatures and pressures. This ensures the integrity of the vessel and prevents sample leakage or contamination. 6.Recovery and Durability: The vessels exhibit excellent recovery properties after exposure to high temperatures and pressures, ensuring their long-term durability and reliability. 7.Cost-Effectiveness: While offering comparable or superior performance to original equipment manufacturer vessels, the NJbinglab vessels are priced at a fraction of the cost, significantly reducing expenses for research and scientific institutions. 8.Specialized Production Process: The company employs specialized production processes that ensure a high level of smoothness and cleanliness of the vessel walls. This further enhances the accuracy and reproducibility of experimental results. 9.Customization Options: The company offers customization options, allowing customers to request vessels tailored to their specific needs and requirements. This flexibility ensures that the vessels meet the precise specifications of each application. In summary, the microwave digestion vessels from Nanjing Binzhenghong Instrument Co., Ltd. offer a combination of superior material properties, compatibility, durability, cost-effectiveness, and customization options that make them an excellent choice for scientific and research applications requiring high-performance microwave digestion vessels. web: https://www.njbinglab.com Minimum Order: 3 bushels Contact:
Phone: Fax: Email: Nanjing Bin Zhenghong Instrument Co., Ltd
NO.18 YINCHUN ROAD Nanjing 210042 China 5/15/24 5:46 GMT
Anti-corrosion electric heating plate, graphite material + Teflon PFA anti-
DBF temperature-controlled electric hot plate, also known as anti-corrosion electric hot plate, has a Teflon-coated non-stick surface and is not affected by strong acids and alkalis. It is an electric hot plate used for sample heating, digestion, evaporation, boiling and acid removal experiments. It can be used with our Teflon series such as beakers, crucibles, digestion tubes, sample dissolving tanks, digestion tank inner cups, etc., and the effect is good. It can meet the reagent heating needs of chemical laboratories in different industries such as physics, chemistry, biology, environmental protection, pharmaceuticals, food, beverages, teaching, and scientific research. Technical parameters of anti-corrosion electric heating plate Model: DBF type Operating area (mm): 600 * 400mm, 400 * 300mm, 500 * 250mm, 450 * 350mm, etc Heating method: Electric heating PID digital display Working temperature: 220 ℃ Temperature control accuracy: ± 1 ℃ Surface anti-corrosion of heating plate: PFA coating Heating plate material: exquisite aluminum alloy/graphite Rated voltage: 220V (adjustable according to region) Continuous working time:>48 hours Supporting products: Crucible/beaker/PFA vials characteristic: 1. PFA Teflon coating, anti-corrosion cast aluminum heating plate heats up quickly; 2. The board and the control box can be made into two parts, so that the acid mist during the experiment will not corrode the components in the control box, thereby increasing the service life and processing multiple samples at the same time without cross-contamination; 3. Customizable time setting function and segmented temperature control; 4. The exposed part of the power cord is wrapped with PFA tubes to further prevent acid gas from corroding components; web: https://www.njbinglab.com Minimum Order: 3 bushels Contact:
Phone: Fax: Email: Nanjing Bin Zhenghong Instrument Co., Ltd
NO.18 YINCHUN ROAD Nanjing 210042 China 5/14/24 5:20 GMT
PFA filter column, chromatography column for semiconductors, resistant to s
Properties of PFA: 1. Translucent appearance, smooth inner wall, no water hanging on, easy to clean; 2. Temperature resistance: operating temperature -200~+260℃; 3. Insulation resistance: dielectric properties have nothing to do with temperature and frequency; 4. Anti-pollution: low metal element value; The PFA condensation filter column is an important device used in gas reactions. Its main function is to purify the reaction gas and remove impurities in it. The role of the PFA condensation filter column in gas reactions will be introduced in detail below. 1. Condensation of reaction gases In many gas reactions, the gas produced by the reaction often needs to be condensed before it can be purified and utilized. The PFA condensation filter column uses external cooling to cool the reaction gas and condense it. During this process, the PFA material has excellent chemical stability and high temperature tolerance, and can withstand gas reaction conditions of high temperature and high pressure. 2. Filter impurities in the reaction gas During the reaction process, some impurities are often produced in the gas, which will affect the success or failure of the reaction. Sometimes toxic or harmful substances will remain in the reacted gas, which needs to be filtered and purified. The filter elements in the PFA condensation filter column can effectively remove impurities in the reaction gas and improve the gas purity, thus ensuring the accuracy, effectiveness and repeatability of the reaction. 3. Protect downstream equipment Before the reaction, we need to process the reaction gas through a PFA condensation filter column to ensure that the reactants are not contaminated in subsequent equipment. At the same time, the filter column can also effectively prevent impurities in the reaction gas from causing corrosion or damage to downstream equipment, so the use of condensation filter columns is also a protection mechanism for downstream equipment. In short, the PFA condensation filter column plays a very important role in gas reactions, and can play multiple roles such as condensation, purification, and protection of downstream equipment. In practical applications, it is necessary to fully consider the gas reaction conditions and the performance of the filter column, and select a suitable condensation filter column to complete the reaction. web: https://www.njbinglab.com Minimum Order: 3 bushels Contact:
Phone: Fax: Email: Nanjing Bin Zhenghong Instrument Co., Ltd
NO.18 YINCHUN ROAD Nanjing 210042 China 5/13/24 5:32 GMT
15L acid tank, one-piece corrosion-resistant, PFA material, used in the sem
1. Product introduction The PFA cleaning tank is an upgraded model after the PTFE cleaning bucket. It is specially designed for semiconductor photovoltaic and other industries. It is formed in one piece, so there is no need to worry about leakage. Mainly used for soaking and cleaning flower baskets or wafer cassettes with chip silicon cells. Due to the characteristics of PFA, it can withstand the corrosiveness of cleaning solutions. At the same time, it has a low blank value of metal elements, no dissolution or precipitation, and will not contaminate chip wafers. Other names: anti-corrosion tank, pickling tank, overflow tank, pure water tank, soaking tank, water tank, drip tank Tank capacity: 15L External dimensions: 300*210*240mm Lid: 340*240*45mm Tank capacity: 18L External dimensions: 390*280*205mm Lid: 400*300*42mm Semiconductor wafer cleaning tank size can be customized as required. It also comes with the same PFA lid to prevent contamination. 2. Features: 1. The appearance is translucent, making it easy to observe the reagents in the tank; 2. High and low temperature resistance: -200~+260℃ 3. Corrosion resistance: resistant to strong acid, strong alkali, aqua regia, HF and various organic solvents; 4. Insulation resistance: dielectric properties have nothing to do with temperature and frequency; 5. Anti-pollution: The background value is low, and the content of lead and uranium of metal elements is less than 0.01ppb; 6. No dissolution or precipitation, and will not pollute chips, wafers, silicon wafers, etc.; 8. Stable chemical properties, good recoverability, and not easy to deform; 9. Teflon plastic, durable and not fragile. web: https://www.njbinglab.com Contact:
Phone: Fax: Email: Nanjing Bin Zhenghong Instrument Co., Ltd
NO.18 YINCHUN ROAD Nanjing 210042 China 5/13/24 1:15 GMT
PFA acid purification system, for ultra-clean laboratories, distilled HCl,
PFA acid purification system: 1. Product introduction: Acid purifier: also known as acid purification system, high-purity acid purifier, acid reagent purifier, high-purity acid distillation purifier, etc. In laboratory work, the purity of the acid is often poor, causing deviations and errors in the analysis results. Commercially available pure acids are often expensive and difficult to meet the large demand for acids in daily analyses. Therefore, purifying and optimizing the quality of acid is an economically feasible way. Our acid purifier can be used in laboratories to purify HNO3, HCl, HF, alkali solutions and organic solvents. After purification, the purity of the acid is further improved. Later in the experiment, our unit's Teflon series reagent bottles can be used to collect high-purity acid. 2. Working principle: The acid purifier uses the principle of thermal radiation to keep the liquid temperature below the boiling point to evaporate, and then condenses the acid vapor to prepare high-purity water and high-purity reagents. It is widely used in sample processing and analysis experiments. 3. Product features: 1. It can meet the low detection limit requirements of ICP and ICP-MS and provide laboratory-grade ultrapure acid for demanding analysis applications. All containers used are made of Teflon corrosion-resistant non-adsorption plastic and can handle laboratories such as HNO3, HCl, HF, etc. Commonly used acids. 2. Experiments have proven that after a single distillation of an acid with a metal impurity content of about 10 ppb, the metal impurity content can be reduced to about 0.01 ppb. If the acid requirements are higher, the purification times can be increased. web: https://www.njbinglab.com Contact:
Phone: Fax: Email: Nanjing Bin Zhenghong Instrument Co., Ltd
NO.18 YINCHUN ROAD Nanjing 210042 China 5/11/24 3:02 GMT
PTFE pagoda joint, matched with PFA flask for reaction experiments
Advantages of PTFE pagoda joint: 1.Excellent Corrosion Resistance: The pagoda joint crafted from PTFE exhibits superb corrosion resistance, resisting almost all chemicals, including strong acids, bases, and various organic solvents. This ensures its durability and longevity in harsh environments. 2.High Strength and Durability: The pagoda joint, due to its PTFE composition, possesses high strength and durability. Its tight structure and even distribution of stress at connection points allow it to withstand significant loads, ensuring safety and reliability. 3.Smooth Surface and Low Friction: PTFE is known for its extremely low friction coefficient, which results in smooth operation and reduced energy loss during fluid transmission. This smooth surface also aids in easy assembly and disassembly. 4.Excellent Sealing Performance: The pagoda joint made from PTFE provides excellent sealing performance, thanks to its high elasticity and gas tightness. This ensures leak-free connections and reliable fluid transmission. 5.Wide Temperature Range: PTFE maintains its physical and chemical stability over a wide temperature range, from -80°C to +260°C. This allows the pagoda joint to function effectively in extreme temperature conditions. 6.Ease of Installation: Compared to traditional welding and bolting methods, the pagoda joint offers a simpler and faster installation process, reducing both cost and labor. Minimum Order: 3 bushels Contact:
Phone: Fax: Email: Nanjing Bin Zhenghong Instrument Co., Ltd
NO.18 YINCHUN ROAD Nanjing 210042 China 5/10/24 1:29 GMT
PFA test tubes for trace analysis of metal elements with extremely low back
Advantages for PFA test tube: 1.Excellent transparency: Allows for clear observation of reactions and samples within, ensuring accurate monitoring. 2.Excellent temperature resistance: Capable of enduring temperatures ranging from -200°C to 260°C, suitable for a wide range of experimental conditions. 3.Chemical inertness: Resistant to most chemicals, minimizing contamination and ensuring the integrity of samples and reactions. 4.Low absorption: Minimizes the risk of sample loss or contamination due to adsorption on the tube walls. 5.Excellent physical stability: Maintains its structural integrity even under extreme conditions like high-speed centrifugation. web: https//www.njbinglab.com/ Minimum Order: 3 bushels Contact:
Phone: Fax: Email: Nanjing Bin Zhenghong Instrument Co., Ltd
NO.18 YINCHUN ROAD Nanjing 210042 China 5/9/24 3:28 GMT
PTFE vat with capacity of 50L, resistant to strong acid and alkali
Product advantage: 1.Chemical Resistance: PTFE laboratory barrels exhibit excellent chemical resistance to a wide range of acids, bases, solvents, and other chemicals. This ensures that the barrels can safely contain and store various laboratory chemicals without degrading or reacting with the contents. 2.Non-Stick Properties: The non-stick nature of PTFE makes it ideal for laboratory barrels that require easy cleaning and prevention of residue buildup. Liquids and solids tend to slide off the surface easily, reducing the need for harsh cleaning agents. 3.Temperature Resistance: PTFE has a high operating temperature range, making it suitable for use in extreme temperature conditions. This allows laboratory barrels to be used in various applications, including those involving high- temperature reactions or storage of chemicals with varying temperature requirements. 4.Durability: PTFE is a durable material that can withstand repeated use and harsh conditions. Laboratory barrels made from PTFE are designed to last for extended periods, reducing the need for frequent replacements and lowering maintenance costs. 5.Electrical Non-Conductivity: PTFE is an electrical insulator, making it an excellent choice for laboratory barrels that need to be electrically isolated or protected from electrical interference. 6.Easy to Fabricate: PTFE can be easily fabricated into various shapes and sizes, including the large barrels required in laboratories. This flexibility allows for the creation of custom-sized barrels that meet specific laboratory needs. web: https//www.njbinglab.com/ Contact:
Phone: Fax: Email: Nanjing Bin Zhenghong Instrument Co., Ltd
NO.18 YINCHUN ROAD Nanjing 210042 China 5/8/24 1:59 GMT
PFA round bottom flask for distillation and condensation reaction, capacity
Advantages of PFA flasks: 1.Excellent Thermal Stability: PFA flasks possess outstanding heat resistance, enabling them to withstand temperatures ranging from -200°C to +260°C. This thermal stability is crucial for many high-temperature experiments, such as heating reactions, boiling, and high-temperature solvent extraction. 2.Superior Transparency: PFA flasks exhibit excellent transparency, allowing for clear observation of reaction processes and sample changes. This is crucial for monitoring and recording reactions in chemical experiments, enabling researchers to better understand and analyze the progress and results. 3.Anti-Adhesion Properties: PFA flasks have good anti-adhesion properties, meaning reagents are less likely to adhere to the inner walls. This reduces loss and waste, while maintaining the cleanliness of the flask's interior and preventing any potential contamination from adhering substances. 4.Excellent Electrical Properties: PFA flasks are excellent electrical insulators, effectively isolating electrical currents and reducing interference from electrochemical reactions. 5.Good Mechanical Properties: PFA flasks possess good mechanical strength and abrasion resistance, enabling them to withstand high pressures and impacts. Industries of Application: 1.Laboratory Research: In laboratory environments, PFA flasks are widely used for various chemical reactions and experiments due to their high purity, chemical stability, and ability to withstand extreme temperatures. 2.Semiconductor Manufacturing: The semiconductor industry requires the use of ultrapure water and specialized chemicals. PFA's high purity, corrosion resistance, and high-temperature stability make it an ideal material for ensuring product quality and reliability in this sector. 3.Chemical Industry: PFA is a primary material in the chemical industry, particularly for pipelines that handle corrosive chemicals. Its excellent corrosion resistance allows it to withstand harsh environments and ensure the safety and stability of chemical production processes. 4.Pharmaceutical Industry: PFA is widely used in the pharmaceutical industry for pipelines and equipment that handle drugs and chemical reagents. Its corrosion resistance, non-toxicity, odorlessness, and tastelessness make it an ideal choice for ensuring drug quality and safety. 5.Food and Beverage Industry: PFA flasks and connectors are suitable for the food and beverage industry, where high-purity materials and compliance with food safety standards are crucial. 6.Medical and Biotechnology: PFA connectors are commonly used in medical devices and biotechnology equipment, such as drug delivery systems and laboratory analysis equipment, due to their corrosion resistance and non- toxicity. In summary, PFA flasks offer numerous advantages that make them suitable for a wide range of applications across various industries. web: https//www.njbinglab.com/ Minimum Order: 3 bushels Contact:
Phone: Fax: Email: Nanjing Bin Zhenghong Instrument Co., Ltd
NO.18 YINCHUN ROAD Nanjing 210042 China 5/7/24 2:35 GMT
PFA shovel, small size material shovel, used in biopharmaceutical industry
Product advantages: 1. Excellent Chemical Resistance: PFA provides excellent chemical resistance to most acids, bases, salts, organic solvents, and oxidizing agents. This ensures that the laboratory ware can withstand harsh chemical environments without degradation or contamination. 2. Wide Temperature Range: PFA can be used in a wide temperature range from -200°C to 260°C, allowing it to handle both low and high-temperature applications in the laboratory. 3. Non-Reactive and Non-Adhesive: PFA's surface is non-reactive and non- adhesive, making it ideal for experiments where sample adherence or contamination is a concern. 4. Good Mechanical Properties: PFA has good mechanical properties, including tensile strength and flexibility, ensuring that laboratory ware made from PFA is durable and reliable. 5. Transparent and Easy to Clean: PFA laboratory ware is often transparent, allowing for easy observation of samples and reactions. Additionally, its smooth surface makes it easy to clean and maintain. 6. Biocompatible: PFA is biocompatible, meaning it is safe for use in experiments involving biological samples and does not pose any health risks. 7. Electrically Insulating: PFA's electrical insulating properties make it suitable for use in electrical experiments and applications where electrical conductivity is a concern. 8. Variety of Forms: PFA can be molded into various forms of laboratory ware, such as flasks, bottles, test tubes, beakers, and funnels, providing flexibility in experimental setup. In summary, PFA's chemical resistance, wide temperature range, non-reactivity, good mechanical properties, transparency, biocompatibility, electrical insulating properties, and variety of forms make it an excellent choice for laboratory ware. Minimum Order: 3 bushels Contact:
Phone: Fax: Email: Nanjing Bin Zhenghong Instrument Co., Ltd
NO.18 YINCHUN ROAD Nanjing 210042 China 5/6/24 2:59 GMT
PFA washing bottle, imported material, high cleanliness, no precipitation
PFA, also known as soluble polytetrafluoroethylene or Teflon, is used for trace analysis, isotope detection, ICP-MS/OES/AAS analysis, and other experiments. The temperature resistance range of PFA bottle washing is very wide, and it can withstand temperatures from -200 ℃ to+260 ℃, which means it can be used under various experimental conditions without being limited by temperature. The PFA bottle washing tube and body are reliably sealed, with sensitive spraying performance, fast recovery, and no residue left. It can be sprayed into various container positions, making cleaning very convenient. Therefore, using PFA bottle washing can make experiments more convenient. In addition, the nozzle and cap of PFA bottle washing are formed in one go, and its structure is very tight, so there will be no leakage. This is crucial for the accuracy of the experiment. PFA bottle washing can also replace volumetric flasks to prepare standard solutions, which can be controlled to add samples and water dropwise. This means that using PFA bottle washing can conduct experiments more accurately and reduce errors. Suitable for industries such as semiconductors, photovoltaics, biopharmaceuticals, and petrochemicals. Product features 1. Translucent appearance; 2. Temperature resistance -200~+260℃; 3. The pipe and the body are sealed reliably, the sprayability is sensitive, the recovery is fast, and no residue flows out. It can be sprayed into the position of each container and is easy to clean; 4. The nozzle and bottle cap are formed at one time; 5. It can replace the volumetric flask to configure the standard solution: it can be controlled to add sample and water drop by drop. web: https//www.njbinglab.com/ Minimum Order: 3 bushels Contact:
Phone: Fax: Email: Nanjing Bin Zhenghong Instrument Co., Ltd
NO.18 YINCHUN ROAD Nanjing 210042 China 5/6/24 0:40 GMT
5449-12-7BMK Warehouse in Germany GLYCIDIC ACID (SODIUM SALT)
Name BMK Glycidic Acid (sodium salt) CAS 5449-12-7 Boiling Point 334.3℃ at 760 mmHg MF 202.18 Flash point 136.7℃ Density 1.28g/cm3 Storage -20°C Appliance : BMK glycidic acid (sodium salt) is classified as an aryl carboxylic acid derivative with versatile applications. 2-Methyl-3-phenyloxirane-2-carboxylic acid can be used as organic synthesis intermediates and pharmaceutical intermediates, which are mainly used in laboratory research and development process and pharmaceutical and chemical production process. Safety Information: BMK glycidic acid (sodium salt) is an organic compound, and safety precautions should be taken during use and storage. It may irritate the eyes, skin, and respiratory tract, necessitating the use of appropriate protective equipment such as gloves, goggles, and a mask during handling. Avoid inhaling its dust and skin contact. In case of accidental contact, rinse immediately with plenty of water and seek medical assistance. Advantages: ①We have a wide range of transportation options,Can deliver goods quickly and safely. ②We have a professional team and good after-sales service. We will reply within 24 hours. ③The product is authentic and can be provided with testing reports. ④Two year warranty period, worry free goods ⑤Factory direct sales at affordable prices ⑥There are overseas warehouses in multiple locations. Packing Details: We provide the plastic bag & kraft paper bag& aluminum foil bag & drum. For the goods around 1-20kg,we will provide the plastic bag & kraft paper bag& aluminum foil bag, and pack them in carton boxes. For the goods above 25kg,we will provide the drum. Solid products packed in paperboard drum. Liquid products packed in iron drum or plastic drum. Minimum Order: 1000 Contact:
Phone: Fax: Email: Angel Pharmaceuticals Co.
Frankfurt,Germany Frankfurt 60487 Germany 4/26/24 3:04 GMT
PFA series parallel reaction tanks can withstand high temperatures of 260 d
PFA series parallel reaction bottle is an efficient and multifunctional chemical reaction device. Its core advantage lies in the use of PFA (soluble polytetrafluoroethylene) material. PFA has excellent high and low temperature resistance and a wide range of operating temperatures. It can maintain stability in extreme environments and ensure a safe and controllable reaction process. In addition, PFA has extremely high chemical stability and can tolerate almost all chemical solvents, effectively preventing cross-contamination and ensuring the purity of reaction results. Its dielectric properties are excellent, and its electrical insulation is not affected by temperature, providing a stable electrical environment for experiments. In terms of structural design, the PFA series parallel reaction tanks are connected in series and parallel, which can flexibly adjust the reaction process and improve reaction efficiency. At the same time, its transparent and colorless appearance makes the reaction process clear at a glance, making it easy to observe and monitor. In summary, the PFA series parallel reaction tank provides strong support for laboratory research with its excellent PFA characteristics and efficient design, and the entire device supports customization. WEB:www.njbinglab.com Contact:
Phone: Fax: Email: Nanjing Bin Zhenghong Instrument Co., Ltd
NO.18 YINCHUN ROAD Nanjing 210042 China 4/13/24 3:23 GMT
PFA 22/30ml flat Vials numberable threaded sealing caps
PFA Vials are available in three different base designs: flat, conical, or rounded. PFA Vials are available in various specifications of 2.5/3/5/6/7/15/22/30ml, with the maximum size up to 6000ml. If you require larger sizes of PFA Vials, please contact us. #PFAVials #samplepreparation #geochemistry #isotopeanalysis #ICPMS Mobile: +86-153 6614 0844 Wechat/Whatsapp: +86-153 6614 0844 Mail: ClairBZH@gmail.com Contact:
Phone: Fax: Email: Nanjing Binzhenghong Instrument Co.,Ltd
No.118 Yinghua Road,Xuanwu District,Nanjing,Jiangsu,China Nanjing China SOURCE: Import-Export Bulletin Board (https://www.imexbb.com/)
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