Zinc sulfate (zinc sulphate) heptahydrate crystal CAS No.:--- 7446-20-0 Zn:------21.8% min Pb:----- 8ppm max Cd: ----- 8ppm max As: ------- 4pp ...
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 936

Calcium Carbide export@gdrjchem.com Molecular Formula: CaC2 CAS No.: 75-20-7 HS Code: 28491000 Quality Criteria: GB 10665-2004 GAS Yield(20Ce ...
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 921

detergent powder, washing powder Experienced R&D Department OEM Capability Production Capacity Large Product Line Reliability Reputation ...
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 899