Established in 2005,TIANJIN YINDA COMMERCE CO., LTD , concentrates on export chemical products, supply supior quality commodities and highstandard service to customers. Main operational item includes SODIUM ACID SULFATE, TRICHLOROISOCYANURIC ACID AND CALCIUM HYPOCHLORITE with advanced technical eqipment. We have SGS, ISO9001 and CIQ certificates. ORDER WELCOME!