... manufacturer water treatment chemical of Sodium Chlorite. 2.We also make BCDMH,DCDMH,BCDMH,DMH,2-chloropyridine We Yancheng Dilly Chemical Co., ... also a ISO9001-2000 company, we are the biggest water treatment chemical of Sodium Chlorite manufacturer and exporter in China ,We ... and good business relation with Du Pont and other big chemical distributors. We are confident that we make the best ...