Shanghai chemrole co.,ltd. is a dynamic and customer-oriented company specializing in chemical products. and we can supply chemical compounds from gram scale to bulk quantity. We keep increasing investment in R&D since moved to Zhangjiang High Tech Park in 2005, and we have awarded Shanghai High-Tech Enterprise qualification in 2006; Pudong New Area Enterprise R&D Center qualification in 2008. With the advanced technique and marketing personnel, OEM pla...