Changzhou Sanhe was established in December 2001 as a Sino-Japanese joint venture invested by four companies including Japan Sanhe Chemical Co., Ltd., Japan Otani Felt Chemical Co., Ltd., Japan Co., Ltd., and Changzhou Kaitong Plastic Co., Ltd. Since the establishment of the company, it has evolved from the production of open-cell plastic foam products based on the technology provided by Sanhe Chemical in Japan to a comprehensive production enterprise that produces four series of ten major products of PE/EVA, NBR/PVC, EPDM and CR. Nowadays, domestic enterprises producing a wide variety of foam products are well-known in domestic and overseas markets.