Shanghai Ruifu Chemical Co., Ltd. Hu rau peb tam sim no!Ua tsaug Chaw nyob:18# Lub Tsev, No. 3265, Jinhai Road, Fengxian District, Shanghai, Tuam Tshoj, PC 201400 Lisa LiuGeneral Manager E-Mail:sales@ruifuchem.com Tel: 0086-15601663162 WeChat Whatsapp Dr. Alvin HuangTus Thawj Tswj Muag E-Mail: alvin@ruifuchem.com Tel: 0086-15026746401 WeChat Whatsapp Dr. Teresa ZhaoKev pab txhawb nqa E-Mail: tech@ruifuchem.com Tel: 0086-15026746401 WeChat Whatsapp Sau koj cov lus ntawm no thiab xa tuaj rau peb