Zhejiang Riwa Group Co., Ltd. is located in Xiaoshan District of Hangzhou and was founded in 1998. The Group's industries involve pigment dyes and chemical intermediates, import and export trade, investment and other fields. Riwa is a group enterprise integrating technology research and development, production and sales. It has jurisdiction over Hangzhou Rongcai Industrial Co., Ltd., Hangzhou Ricai Industrial Co., Ltd., Guazhou Yite Technology Co., Ltd., Jiangsu Riwa Pigments Co., Ltd., Lianyungang Ruihua Chemical Co., Ltd., Hangzhou Riwa Import and Export Co., Ltd., Hangzhou Riwa Pigments Co., Ltd. Riwa brand dye and chemical intermediates are used in ink, paint, plastic, pesticide, medicine and other industries. The company's credit reputation are spread at home and abroad.

Being innovative and ready. Riwa constantly innovates the business model, adheres to standardized management, and establishes a set of scientific, rigorous and systematic management system and matching system processes. The company has passed ISO9001:2008, quality management system certification, ISO14001:2004 environmental management system certification, OHSAS18001:2001 occupational health and safety management system certification, has a municipal R & D technology center, has perfect testing facilities, strict management and quality assurance system. The company was rated as "AAA" international quality credit enterprise by China Product Quality Association, bank credit, "AAA" enterprise.