Shanghai Yichen Chemical Materials Co., Ltd. was founded in 2005. After years of development, it has grown into a specialized company integrating R&D, processing, and sales of plastic additives and polyurethane additives. Through collaboration with internationally leading additive suppliers from Europe, the United States, Japan, and Taiwan in the field of rubber antioxidants, we have developed a product system tailored to the specific needs of domestic customers. With extensive industry application experience, we continuously strive for self-improvement. Building on this foundation, we have successfully developed numerous next-generation additives and compound systems that are internationally competitive. As a professional additive supplier, we now serve a wide range of high-end customers in the rubber, plastics, and polyurethane industries both domestically and internationally. We have established sales offices in multiple locations both in China and abroad, as well as processing and warehousing bases for various additives in Shanghai. We operate an import and export trading company in China, as well as international trading companies in Hong Kong and overseas. With a professional sales team and dedicated technical R&D and application support teams, we are able to provide our customers with advanced customized liquid additive packages and solid dust-free compound additive masterbatch solutions. To date, we have established extensive technical collaboration and business partnerships with numerous internationally renowned companies and leading domestic players in the rubber, plastics, and polyurethane industries.