Changzhou Yao’s Tongde Chemical Company Ltd is located in Wujing Zhenglu industrial district,Changzhou city,Jiangsu Province,near Huning Railway and Huning Freeway.There are picturesque scenery and convenient traffic.The company was established in 1990s.We have always been engaging in the research,development,sale and application of watertreatment drug.And pass ISO9002 quality system authentication and ISO14001. Melt well-managedly, personnel's technicalization, equipment advanced, Guarantee that the products enter into the world with the finest quality. Changzhou Yao's Tongde Chemical Co., Ltd. Add: Zhenglu town, Wujin, Jiangsu P.C: 213111 G.P.: Yaobin Export Department: 0086-519-88932391 Mobile: 0086-15961123828 Contact Person: Miss Tang(Elaine) M.P: 013809075008 Tel: +86-519-88732401 Sales: +86-519-88733208 Fax: +86-519-88732040 Website: http:// E-mail: info@ webmaster@ Major:EDTMPS,hedp,PAA,DTPMP,HPMA,edtmps,w