Main Products: 1-Phenyl-1,2-propanedione-2-oxime, Sulfur trioxide pyridine complex, lithium diisopropylamide,

Introduct: Kunshan Yalong Trading Co., Ltd. is located in the beautiful city of Kunshan in the Jiangnan region, adjacent to Shanghai and Suzhou, with convenient transportation. The company is primarily engaged in the sales of fine chemicals, consistently adhering to the business philosophy of "market-oriented, quality-based, management-driven, and profit-focused." It implements a customer-oriented operational approach, promotes a spirit of excellence and innovation, and provides chemical products that satisfy users. Through the efforts and integrity of all employees, the company has earned the praise and trust of domestic and international clients, establishing long-term and stable business relationships. The product range is comprehensive, with stable quality, attentive after-sales service, and reliable credibility. We will continue to uphold the principle of "quality first, customer first, credibility first, service first," and enthusiastically provide high-quality products and excellent services to a broad range of domestic and international customers. The company's main products include acetonitrile, HPLC-grade acetonitrile, glacial acetic acid, acetate, butyl acetate, methanol, ethanol, DMF, pure benzene, acetone, triethylamine, tetrahydrofuran thiourea, barium chloride, cyclohexane, cyclohexanone, hydrazine hydrate, propylene glycol, isopropanol, and more. The flagship product, acetonitrile, serves major pharmaceutical companies domestically and internationally with its excellent quality. Production partners include Jilin Petrochemical, Daqing Petrochemical, Anqing Petrochemical, and others. HPLC-grade acetonitrile is primarily used in laboratories and has received positive feedback for its high quality. Adhering to the business principles of "credibility first, quality first" and "unity and collaboration," the company continuously breaks new ground and strives for excellence. The superior quality of Yalong's products has made them stand out in the highly competitive chemical market, driving ongoing development. The company will continue to uphold the spirit and philosophy of "advancing through technology, breaking new ground, forging ahead, and pursuing excellence," wholeheartedly providing customers with high-quality products and services. Together with clients, we will move forward and create a brilliant future.,

Main Products: 4-Hydroxy-4-methyl-2-pentanone, Tetrahydrofuran,

Introduct: Suqian Yingke New Material Co., Ltd. is located in the Suqian Ecological Chemical Technology Industrial Park, a provincial-level chemical industrial park in Jiangsu Province. The company is engaged in the production and operation of chemicals, import and export of goods, and other related businesses. The enterprise consistently upholds the values of "safety, environmental protection, pragmatism, and efficiency." Through continuous research and innovation, the company now holds over 20 patents. It has one municipal-level enterprise technology center and one municipal-level engineering technology research center. Recognized as a national high-tech enterprise, the company strives to remain at the forefront of technology. Over the years, its product sales have steadily grown, and its market share has continued to increase. Currently, China is in a critical period of increasingly standardized management of safety and environmental protection. The survival and development of chemical enterprises depend on their ability to excel in these areas. Against this backdrop, the company has invested significant capital and human resources to comprehensively improve safety and environmental protection facilities. All production lines now employ fully automated DCS control throughout the entire process. The company has also established an advanced "Ten-in-One" safety management platform, passed the secondary safety standardization assessment, completed the "Three-Star Cloud" initiative, and implemented various online environmental treatment facilities. The company will continue to optimize processes, innovate technologically, and collaborate closely with major universities and research institutions. It plans to further invest in new projects and increase funding for environmental protection and safety initiatives, striving to be a responsible chemical enterprise.,

Main Products: Folic acid,

Introduct: ,

Main Products: Polyaluminium Chloride, Sodium carbonate, Oxalic acid,

Introduct: Wuxi Yongju Trading Co., Ltd., established in 2015, is a trading company specializing in chemical products. Wuxi Yongju Trading deals in a series of chemicals: nitric acid, phosphoric acid, sulfuric acid, hydrochloric acid, liquid caustic soda, food-grade hydrogen peroxide, food-grade nitric acid, food-grade sodium hypochlorite, food chemicals, textile auxiliaries, dyeing and printing auxiliaries, water treatment agents, surfactants, pharmaceutical intermediates, coating auxiliaries, plastic auxiliaries, resin raw materials, electroplating materials, etc. Our company has an experienced marketing team and after-sales technical service personnel, and maintains long-term cooperative relationships with many internationally renowned chemical companies. Wuxi Yongju Trading Co., Ltd. offers a complete range of products at reasonable prices, with strong capabilities, emphasizing credibility, honoring contracts, and ensuring product quality. Our diverse product range has earned the trust of a wide customer base. Wuxi Yongju Trading Co., Ltd. was established on September 1, 2015. The company is located in Wuxi, the economic center of the Yangtze River Delta, with convenient transportation. Over the past ten years, the company has forged ahead, continuously innovating, focusing on the wholesale supply of supporting auxiliary materials for industries such as electronics, chemicals, environmental protection, and wastewater treatment, committed to providing high-quality products and excellent services, and has gained the trust and support of numerous customers. The company mainly deals in products such as nitric acid, phosphoric acid, sulfuric acid, hydrochloric acid, bleach, hydrogen peroxide, liquid caustic soda, flake caustic soda, soda ash, lime, baking soda, sodium sulfide, sodium persulfate, ferrous sulfate, polyaluminum chloride, and other products of different concentrations and specifications. These products are involved in chemical auxiliary materials for industries such as circuit boards, liquid crystal displays, photoelectric touch screens, rare earth mineral processing, wastewater treatment, exhaust gas treatment, and laboratories. The company adheres to the business philosophy of "prioritizing safety, quality first, and professional innovation," earnestly implementing the operational principles of "integrity, professionalism, service, and win-win." It possesses all necessary qualifications, including business licenses, industry permits, and non-drug precursor chemical operation filing certifications issued by relevant regulatory authorities, as well as a third-level standardized safety production certification. The company has also passed the ISO9001:2015 international quality certification, with an effective quality management system in operation. The company has built a professional and outstanding team, with all personnel certified for their roles. It employs qualified hazardous chemical transport personnel and fleets and has constructed a high-standard chemical storage warehouse covering an area of 3,000 square meters. The company strives to provide customers with higher-quality products, more professional technical consultations, and faster delivery services. With a sincere attitude towards cooperation, competitive prices, and comprehensive services, the company looks forward to achieving mutual success with you.,

Main Products: 1-Boc-3-hydroxypiperidine, (S)-1-Boc-3-hydroxypiperidine, 1H-Pyrazole-4-carbonitrile, 3-amino-5-(4-phenoxyphenyl)-,

Introduct: Changxing Yisheng Pharmaceutical Technology Co., Ltd. is a company engaged in the research and development, production, and technical services of generic drugs. It was established on February 3, 2021, and is located in Changxing County, Huzhou City, Zhejiang Province, covering an area of 20 acres. · Using generic drugs as the market entry point; · With enzyme-catalyzed chiral synthesis and asymmetric hydrogenation synthesis technologies as the core competitiveness of the enterprise; · Aiming at the high-end market, it is a high-tech pharmaceutical enterprise integrating the research and development, production, and sales of pharmaceutical intermediates, non-natural amino acids, short peptides, and active pharmaceutical ingredients.,

Main Products: Sodium Tripolyphosphate, Ammonium dihydrogen phosphate, trisodium phosphate anhydrous,

Introduct: ,

Main Products: (2-Chloroethyl)sulphonyl chloride, 4-VINYL-BENZALDEHYDE, 1,1-Diphenylethylene,

Introduct: Yishenghui Biopharmaceutical Technology Co., Ltd. is a company engaged in the research, development, production, and sales of fine organic chemicals and intermediates for pesticides and pharmaceuticals. Currently, the company has production bases in Langfang City, Hebei Province; Left Banner of Alxa League, Inner Mongolia; and Bayin Wusu Salt Haizi Industrial Park, Hangjin Banner, Ordos, covering a total area of nearly 20 hectares. It also has a research and development center in Shanghai. The company maintains strong academic collaborations with multiple research institutions and universities, establishing a competitive advantage in the industry. The company has gathered a group of dynamic employees with master's and doctoral degrees, possessing comprehensive knowledge structures, boundless work enthusiasm, and extraordinary innovative spirit. The core team mostly has successful enterprise management experience, while the technical team has deep theoretical accumulation and extensive practical experience in areas such as the development of new synthetic processes and asymmetric synthesis of chiral compounds. They have completed numerous projects ranging from small-scale custom synthesis in the laboratory to commercial large-scale custom production. Providing high-quality products and excellent service has long been our unwavering goal. With advanced analytical instruments and rich testing experience, we ensure that the quality of each batch of products meets customer requirements. In the future, we will continue to serve domestic and international clients with even higher quality products. We sincerely hope to collaborate with customers worldwide for mutual development.,

Main Products:

Introduct: Shandong Yisheng Gas Co., Ltd., headquartered in the hinterland of Qilu, at the source of the Yi River in Yiyuan County, Zibo City, Shandong Province, was established in 2006 with a total registered capital of 110 million yuan. The chairman is Zhu Guifang. Shandong Yisheng Gas Co., Ltd. is an environmentally friendly, energy-saving, and emission-reducing production enterprise specializing in industrial-grade and food-grade liquid carbon dioxide and dry ice. With complete project approval procedures, the company owns six wholly-owned subsidiaries and has an annual production capacity of 1.5 million tons of liquid carbon dioxide and 300,000 tons of dry ice. The company boasts a comprehensive management system, strict inspection and control procedures, domestically leading production equipment and production technology patents, first-class testing equipment, scientifically reliable technical processes, a high-quality technical R&D team, and an advanced and efficient laboratory. It is one of the largest liquid carbon dioxide production enterprises in the country.,

Main Products: 4-Chloro-2-fluorobenzaldehyde, 4-chloro-2-fluorobenzoic acid, 2-Bromo-5-fluorotoluene,

Introduct: Shanghai Xinying Pharmaceutical Technology Co., Ltd. was established in 2013 with a registered capital of RMB 5 million. The company is dedicated to providing CMO and CDMO services for pharmaceutical intermediates to its clients. Our customers are primarily major pharmaceutical companies in India, the United States, Europe, Japan, and domestic markets. Our production bases are located in Liaoning and Jiangsu, equipped with GMP workshops that meet customer standards and high-precision analytical instruments. The factories specialize in various types of reactions, including metal reduction, catalytic hydrogenation, halogenation, diazotization, nitration, condensation, cyclization, oxidation, Grignard reaction, high-pressure reactions, low and high-temperature reactions, and fluorination. The reaction kettles range from 100L to 10,000L, accommodating diverse production scale requirements. To alleviate customer delivery pressure, we maintain an inventory of over 1,000 product varieties. Our product series include fluorinated benzoic acids, benzaldehydes, toluenes, trifluorotoluenes, trifluoromethoxybenzenes, styrenes, acetophenones, butyric acids, as well as pyridine derivatives. We have provided customers with over 20,000 product varieties, ranging from laboratory-scale to commercial-scale quantities, receiving consistent praise for both delivery timelines and product quality. The factories undergo regular audits by major corporations and have passed audits from companies such as Bayer, GSK, Merck, and Takeda, with our management system earning recognition and acclaim from all clients. The enterprise adheres to a cooperative philosophy of efficiency, integrity, and mutual benefit, and is committed to providing optimal services to pharmaceutical companies both domestically and globally.,

Main Products: Dehydroabietylamine,

Introduct: ,

Main Products: Printing ink,

Introduct: Wenzhou Yinger Ink Co., Ltd. is a professional manufacturer specializing in the production of plastic gravure printing inks. The company independently develops inks for both surface and reverse printing systems in plastic gravure printing. Currently, it offers a range of products including integrated retort and boiling-resistant reverse and surface printing inks, alcohol-soluble surface printing inks, in-mold labeling inks, and PVC shrink film printing inks. Established in 1996, the company is located at No. 168 Xicheng Avenue, Qianku Town, Cangnan County, Zhejiang Province. Since its inception, "utmost sincerity, excellence, long-term vision, and perfection" have been the company's core pursuits. Wenzhou Yinger Ink Co., Ltd. has obtained ISO 9001:2008 quality management system certification; achieved QS certification in 2013; passed ISO 9001:2015 quality management system, occupational health and safety management system, and ISO 14001:2015 environmental management system certifications in 2018; and obtained the integration of industrialization and informatization system certification in 2021. In 2022, the company became a participating drafting unit for the Smart Factory standards of China Coating Industry Association. In the same year, Yinger was awarded the "Zhejiang Manufacturing" certification. Since its establishment, Wenzhou Yinger Ink Co., Ltd. has been honored with numerous titles, including Growth-oriented Industrial Enterprise of Cangnan County; Top 100 Industrial Enterprises of Cangnan County; Technological Innovation Enterprise of Wenzhou City; Integrity and Benchmark Enterprise of Cangnan County; Wenzhou Municipal R&D Center; Zhejiang Provincial Technology-based SME; Zhejiang Provincial R&D Center; and National High-tech Enterprise. Additionally, it has been recognized as an Advanced Unit in Work Safety by the Cangnan County Emergency Management Bureau for multiple consecutive years. "Independent innovation and striving for high quality" is the relentless pursuit of the Yinger team.,

Main Products: Aluminium phosphide, Silica gel for shallow-layer chromatography, silica gel,

Introduct: Jining Yimin Chemical Plant, established in 1989, is a designated manufacturer of aluminum phosphide under the former Ministry of Chemical Industry, one of the first enterprises registered for aluminum phosphide pesticide by the Ministry of Agriculture, a collaborative factory of the Chengdu Grain Science Research Institute of the National Grain Reserve Bureau, and one of the drafting units for the "GB5452-2001 New Standard." Through arduous entrepreneurship, it has developed into a modern enterprise with first-class factory buildings, advanced production equipment, and comprehensive infrastructure. It possesses strong technical capabilities, complete testing methods, and a reliable quality assurance system. Relying on technology, innovation, and continuous development, the "Liang Le" brand aluminum phosphide has become a well-known product. Adhering to the corporate principle of "quality first, customers supreme," Jining Yimin Chemical Plant has gained favor from major national grain reserve depots, plant protection departments, tobacco companies, and other units due to its top-tier service, good reputation, reliable quality, and significant efficacy. The "Liang Le" brand aluminum phosphide is exported to more than 20 countries and regions worldwide, serving the grain industries of China and the world. Jining Yimin Chemical Plant has collaborated with the Chengdu Grain Science Research Institute of the National Grain Reserve Bureau on research into pesticide resistance in stored grain pests and with the Wuhan Kenengda Research Institute on grain storage and preservation, achieving breakthrough progress. It has made significant contributions to grain storage departments both nationally and globally in overcoming storage challenges. Jining Yimin Chemical Plant produces over 1,800 tons of aluminum phosphide and over 1,100 tons of zinc phosphide annually, with some products entering the international market. In addition to producing standard specifications of aluminum phosphide, it can also manufacture various packaging, formulations, and concentrations of "Liang Le" brand aluminum phosphide and zinc phosphide according to customer needs. At the dawn of the new millennium, Li Youliang, Director of Jining Yimin Chemical Plant, along with all employees, sincerely welcomes friends from all sectors at home and abroad to visit for guidance, collaborate, and create a brilliant future together!,

Main Products: 1-Phenyl-4-methyl-3-pyrazolidone, 5-Nitroindazole, 3,4-Dimethoxybenzaldehyde,

Introduct: Shanghai Xinzhong Biomedicine Technology Co., Ltd. (formerly known as Shanghai Yimin Chemical Co., Ltd.) was established in October 1988. With years of experience in chemical production, it has now developed into one of Shanghai's leading chemical enterprises. The company's market research and development department is located in the Shanghai Industrial Zone, while its production base is situated in the Jinshan Industrial Zone, covering an area of over 20,000 square meters. Currently, the company employs 130 staff members, including 18 mid-to-senior level technical and management personnel, 5 QC staff, 3 QA staff, and 6 R&D personnel. The annual R&D investment exceeds 1 million RMB, accounting for more than 2% of total sales. The company primarily produces pharmaceutical intermediates and fine chemical products, boasting strong research and development capabilities, advanced production processes, and comprehensive testing methods. Its products are well-received both domestically and internationally, with exports accounting for approximately 30% of total sales. The company's mission is: to build on a foundation of safe production, lead with quality assurance, pursue development through technological innovation, and expand the market with integrity and service. Upholding the corporate spirit of exploration, innovation, pragmatism, and dedication, and adhering to the quality policy and corporate philosophy of perfection and continuous improvement, the company strives to achieve greater heights and everlasting brilliance in its future development journey.,

Main Products: Copper(II) bromide, anhydrous, Triiron tetraoxide, Chlorophyllin, trisodium salt,

Introduct: Shanghai Yiji Industrial Co., Ltd. is a limited liability company engaged in wholesale distribution and investment agency. It is an enterprise registered with the approval of relevant national authorities. The company primarily deals in products such as ELISA kits, cells, serum, antibodies, biological reagents, and culture media.,

Main Products: Triphenyl phosphate, Phenol, isopropylated, phosphate (3:1), Cresyl Diphenyl Phosphate,

Introduct: Tianjin Yihai Chemical Plant specializes in the production of Triphenyl Phosphate (TPP), Tricresyl Phosphate (TCP), Isopropylated Triphenyl Phosphate (IPPP), and Cresyl Diphenyl Phosphate (CDP). Our products are widely used in flame-retardant plastic masterbatches, polymer modification, fire-resistant resins, lubricants, and other fields. With advanced technology and superior quality, our plant has earned the trust of a broad customer base.,

Main Products: Hydrogen sulfide, 2,2'-Thiodiethanethiol, 2,3-bis((2-mercaptoethyl)thio)-1-propanethiol,

Introduct: Yifeng New Materials Co., Ltd., established in 2011, is a national "Specialized, Refined, Unique, and Innovative" Little Giant enterprise focused on the development of the optical materials industry chain. It has successively received honorary titles such as National Enterprise Technology Center, National High-Tech Enterprise, National Green Factory, and Shandong Gazelle Benchmark Enterprise. Additionally, it has passed the integrated international management system certification for quality, occupational health and safety, environmental protection, and energy. Over the years, Yifeng New Materials has consistently adhered to technology-driven industrial development, providing sulfur-based optical materials for the透視健康生態(tài)器具（器械） industry. This has enabled the company to establish a high-value-added product line layout from sulfur chemicals to optical materials, with end applications covering key national support areas such as vision optics, electronics, biomedicine, and new energy. Its products are exported to more than twenty countries and regions, including Japan, the United States, Russia, India, Thailand, Mexico, and Poland. Guided by the philosophy of technological innovation leading industry development, Yifeng New Materials consistently prioritizes R&D oriented toward meeting customer and market demands. The company continuously optimizes its R&D investment structure, stimulates team innovation vitality, and has achieved over 30 scientific research outcomes. Among these, the "Research, Development, and Industrialization of Ultra-High Refractive Index New Optical Materials" project was selected for Shandong Province's Key R&D Program, and the "A Resin Lens and Its Preparation Method" won the Shandong Provincial Invention Patent Award. The company was also honored as one of Shandong's Top 50 New Materials Leading Enterprises, and its polythiol products were included in the Shandong New Materials Catalog. The company always adheres to the principles of benevolence and filial piety culture, customer demand orientation, talent as the foundation, and technological innovation as the core. Rooted in the sulfur chemical industry and focused on the vision optics field, Yifeng New Materials is committed to becoming a globally leading optical materials manufacturing enterprise.,