1-hydroxy ethylidene-1,1-d
amino trimethylene phospho
diethylene triamine penta
2-phosphonobutane -1,2,4-t
2-hydroxyphosphonocarboxyl
polyamino polyether methyl
bis(hexamethylene triamine
company: zouping dongfang chemical industry co., ltd.
tel: 0543-4501076
fax: 0543-4502242
email: dongfang@sddongfang.com
add: haosheng town,zouping county,shandong,china