Changzhou Loen Chemical Co.,Ltd. is engaged in fine chemicals, APIs, pharmaceutical intermdiates? R&D, manufacture. We have good communication and cooperation with Shanghai Organic Chemical Shanghai Organic Chemistry Institution, China Pharmaceutical University, etc.. Now we have developed many kinds of product, most of them have been take into quantity production. Such as Benzoic acid series. Intermediates for Quinolones Antibacterial Drugs and several kinds of new durg. For the sake of cost compacting and good product quality, we have the full process of production line from raw material to finished product, and high technology and advanced testing equipments such as HPLC, GC, NMR .