Luoyang Tiancheng Chemical Reagent Co., Ltd, which is one of the largest chemical reagent manufacturers in China, the main products cover biochemical clinic inspection reagents tetramethyl benzidine(TMB)series , biological buffering agent series(MOPS, MES, TAPS, PIPES, BICINE), pharmaceutical intermediate and electronic chemicals, etc. These products are well sold in China, EU, USA, and Southeast Asia. We also can offer you contract production service. We would like to supply high-class products and satisfy every customer's needs. We approach you today in the hope of establishing long business relations with you and expect, by our joint effects, to enlarge our business scope.