**Company Introduction** Shanghai Xinshanghua Polymer Materials Co., Ltd. is a comprehensive plastic manufacturing company, one of the oldest and largest enterprises in China dedicated to the research, development, and production of various industrial-grade polymers. The company's registered trademark, "Shuanghua," is a well-known trademark in Shanghai. Our main products include cross-linked polyethylene, silane cross-linked cable compounds, low-smoke halogen-free flame-retardant polyolefins, and PVC medical blood transfusion granules, with an annual production capacity of 30,000 tons. These products are widely used in industries such as cables, electronics, machinery, construction, automotive, defense, and medical devices. The company is equipped with advanced production and testing equipment and has implemented the ISO 9001:2008 quality management system. We strictly monitor every step from design, testing, manufacturing, distribution, service to usage to ensure our products meet relevant standards. Additionally, the company has been continuously recognized as a technology enterprise, and our technology center has been designated as a municipal-level technology center by Shanghai, enabling us to provide top-notch quality assurance and first-class services to customers, ensuring customer satisfaction and creating value for users. To further develop the enterprise, we have relocated to the Shanghai Pudong Xinchang Industrial Park, which has now been completed. This move will significantly increase our production capacity and enhance our R&D, production conditions, and environment. Among our products, the ultra-clean insulating plastic for 110kV power cables made from cross-linked polyethylene, the purified insulating plastic for 35kV and below power cables made from low-density cross-linked polyethylene, and the bio-degradable material intermediate—glycolide have been rated as high-tech transformation projects in Shanghai. The low-shrinkage silane cross-linked polyethylene insulating plastic (4244) for 1kV and below wire and cable has been recognized as a National Key New Product, while the purified insulating plastic for 35kV and below power cables made from low-density cross-linked polyethylene has been rated as a key new product in Shanghai. **Address:** No. 55, Xinhan Road, Xinchang Industrial Park, Pudong New Area, Shanghai, China **Phone:** +86-21-65193960 **Fax:** +86-21-65439586 **Email:** huang_jun1024@hotmail.com **Website:** http://www.shanghaichemical.com If any type is , it should be directly output as .