Hangzhou Ruijiang chemical co.,ltd was established in 1992. After about 20 years of efforts, we have become one of the most important manufactures and exporters about Dyestuffs and chemicals in china.

Since year of 2006, we RUICHEM started to devote itself to silicone industry. With the fast development of silicone industry in china market, we have obtained an advantageous position on products of siloxanes & silanes. We have factories around cities in zhejiang provice.But our main office for sale with a lab for researching and testing is located in Hangzhou city.