Shanghai Liangren Chemical Co., Ltd. (Simple "LR")was founded in 1987. We are a professional manufacturer and leading wholesale of metal sulface treatment chemicals, and our main products are chromium salts, nickel salts, copper salts, cobaltous salts, other salts , more products will update.

LR is BV vertified supplier .We always supply high quality products to all customers,and bulit trust business relationship with them for a long time.We have a strict rule for the production according to ISO9001:2008 .

LR has more than 6 years international trade experience and export more 15 countries .we coopration with many leading company in china and aboard , would you like to be one of them ,want find a relibale partner, don't miss me.