Shanghai Hongjinyin Industry Co., Ltd. is a manufacturer of engineering plastics and hot melt adhesives, located in the Nan Xiang High-Tech development Zone in Shanghai, China. Established in 2008, the company operates a 12,000 square meter facility and employs between 11 to 50 people. They specialize in producing a range of engineering plastics including ABS, ASA, PBT, AES, PC/ABS, PC/PBT, PET/PBT, and ASA coextrusion with PVC Roof Tile/Sheet, with an annual production capacity of 10,000 metric tons. Shanghai Hongjinyin Industry Co., Ltd. has extensive experience in manufacturing and R&D, collaborating with renowned domestic universities such as Tianjin University and Shanghai Jiaotong University to ensure advanced product quality and techniques. The company is dedicated to researching and manufacturing high value-added products with special properties tailored to customer requirements.
HJ Polymer China Co., Ltd., formerly known as Jiangyin Haijiang Polymer Material Co., Ltd., is a leading high-tech manufacturer and distributor specializing in advanced polymer materials. Established in 1990 and headquartered in Jiangyin, Jiangsu Province, the company operates a 30,000 to 45,000 square meter production facility equipped with multiple advanced production lines. With a workforce of approximately 200 to 300 employees, the company has achieved an annual output capacity of up to 45,000 tons and maintains a significant domestic market share in China.
The company specializes in the research, development, and production of semi-conductive shielding compounds, polyethylene compounds, and EVA/PEVA films. Its core product portfolio includes conductor screen materials, insulation shielding compounds, and specialized materials for high-voltage (HV) power cables ranging from 10KV to 220KV. These products serve critical sectors such as the cable industry, electricity and communications, high-speed rail, military, electronics, and marine shipbuilding. Notable customers include State Grid, Ducab, and Gulf Cable.
HJ Polymer is recognized for its commitment to quality and innovation, holding ISO 9001 certification and multiple provincial awards for high-tech product development. The company emphasizes eco-friendly manufacturing, offering non-toxic alternatives to PVC that feature excellent cold resistance and environmental degradability. With an in-house R&D center and smart-controlled extrusion production lines, the company provides high-performance materials for new energy auto charging piles, railway locomotive cables, and optical cable series to both domestic and international markets.