Tianjin Keweijinhong Environmental Protection Science and Technology Co., Ltd. (KWJH) was founded in 1988 by CNOOC Tianjin Research & Design Institute of chemical industry,who are the leading manufacturer and exporter of water treatment chemicals in China.The company adopts the most advanced production technology, according to Customer Requirement - Raw Material Procurement - Product Quality Control - Packaging and Logistic - Customer Feedback, we perfect management system.The main products are BKC,BAC,DDBAC,HEDP,ATMP,HPMA,PESA,PAPE,PAA,PAAS,MA-AA,AA-AMPS......