We are direct maufacturer of Zinc Sulphate Monohydrate in China.Our SPEC is ZNSO4.H2O 98%min, Zn 35.5%min, Pb 20ppm max, Cd 20ppm max, As 5ppm max.
Our QUNT is 1,200mts per month.
Can you please let us know if you are still in need of them?
Thanks in advance for any of your reply,
Our e-mail is: china_znso4@yahoo.com.cn