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., Lianyun...

more>>