Qinhuangdao Bright Chemical Co., Ltd. is a company with an energetic & active team, which has specialized in organic fluoro surfactants, electroplating chemicals and other special fine chemicals for many years. We are popular with our business partners because of our stable quality, excellent service, and good credit, as well as necessary technical service.We own 3 manufacturing bases, located in Mid-south of China, mainly producing above-mentioned products. Our superiority products are as follows:1) N-Ethylcarbazole (CAS No. 86-28-2)2) 1,3-propane sultone (CAS No. 1120-71-4) 3) Propargyl...