thanks.
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 &professional manufacturer and exporter of water treatment chemicals in China.
We produce phosphonates antiscalants, corrosion inhibitors and chelating agents;salts of phosphonates; polycarboxylic antiscalant and dispersant; biodegradable antiscalant and dispersant; biocide and algicide, built scale &corr...
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