Dear Sirs
good day

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 &corrosion inhibitors, bactericide,surfactant.
Our main products include: Zinc chloride, HEDP, PBTC, ATMP, PESA, BKC80, BKC 50, DDBAC, HPMA,PAA,PAAS, AA-AMPS, AA-MA, acetyl chloride etc.
bactericide & surfactant: BKC(benzalkonium chloride)
daily chemicals additive:HEDP HEDP.Na4
cleaning agen:HEDP(1-hydroxy ethylidene-1,1-diphosphonic acid )
By the way, we also manufacture many other water treatment chemcicals. and these products could use in many fields like REFINERY/WASHING /DAILY CHEMICALS/textile etc.
If you are interested in them, pls contact me asap.
Attn:jenny yu /sales director
www.kwjh-chem.com
email:jenny@kwjhchem.com
Skype:jenny583493768
Phone:+8613212262258 (same with whats APP)
Thanks for your reply soon.
B.regards


JENNY