zinc sulfate heptahydrate
Main content:96%
Zn:21.5%
Pb:10PPM
As:5PPM
Cd:10ppm
above specifications are for export standard, if you think the specifications do not meet your requirement, please contact with me. We can supply the specification what you want.
Looking forward to your inquire.
Best wishes,
Jiang Tao
Unitechem Co., Ltd
company address: A-2-504 GUOXIN BULD 2ND STREET TEDA TIANJIN CHINA.
MSN: www_123 hotmail
TEL: +86-22-66208570
Fax: +86-22-66218311