... transesterification reaction.Established in 1996, Concord Technology (Tianjin) Co., Ltd. is a manufacturer specialized in the research, development and production of high purity chemical reagents ... ,acetonitrile,n-hexane,ethanol,acetone,ethyl acetate,dichloromethane,chloroform,tetrahydrofuran,2-propanol,tert-butanol,Carbon Tetrachloride Brands:Concord Number of Employees ...