benzotrialole (bta)
benzotrialole(bta•na)
methybenzotriazole(tta)
2-mercaptobenzothiazole(mb
company: zouping dongfang chemical industry co., ltd.
tel: 0543-4501076
fax: 0543-4502242
email: dongfang@sddongfang.com
add: haosheng town,zouping county,shandong,china