Shanghai Hongcai Plastic Co., Ltd. is a synthetic resin raw material processing enterprise jointly established in September 1995 by (China) "Shanghai Zijiang (Group) Co., Ltd." and (Japan) "Daikane Resin Co., Ltd.", "Japan Coloring Materials Co., Ltd.", and "Itochu Corporation". The headquarters and main plant are located in the "Maqiao Industrial Park" adjacent to the Shanghai Minhang Economic and Technological Development Zone, covering an area of 33,000 square meters with a total investment of 1.2 billion Japanese yen. Production and sales began in August 1996. The company specializes in the coloring and modification processing of various synthetic resins, primarily ABS. Since 1998, the annual processing capacity has reached 14,000 tons, with an average annual sales revenue exceeding 100 million RMB. 70% of the products are directly exported to Japan, Hong Kong, Malaysia, Indonesia, and other countries and regions. As a foreign-invested enterprise, due to its outstanding operations in the years following its establishment, it has made significant contributions to national and local taxes. Consequently, in 2001, it was recognized as a "National Double Excellent Foreign-Invested Enterprise" and a "Shanghai Class A Tax Credit Enterprise".

Shanghai Hongcai Plastic Co., Ltd. is equipped with advanced twin-screw extruders, testing equipment, and an electronic computer automatic color matching system developed in Japan. By introducing proprietary Japanese technology and formulations, the company independently develops and refines its color matching and modification processing. It provides high-quality synthetic resin raw materials for injection molding to many renowned domestic and international manufacturers of automobiles, communication instruments, office equipment, and household appliances, earning widespread praise from numerous customers.

Shanghai Hongcai Plastic Co., Ltd. focuses on innovation and development, continuously advancing research and development and strengthening quality management. In 2000 and 2001, it obtained ISO9002 (1994) and ISO9001 (2000) certifications, respectively, and was awarded the title of "Advanced Technology Foreign-Invested Enterprise" by the Shanghai Association of Foreign Investment. Entering the 21st century, the company has redefined its medium to long-term development plan and is working tirelessly to meet the growing demand for synthetic resin raw materials in domestic and international markets, as well as to enhance the level of synthetic resin coloring and modification processing in China.