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About Us
Changsha Cochem Co. Ltd as an ISO and a globally operating company ,is aim to play our part in prompt and longterm delivering competitive chemical materials to the customers all over the world based on our local manufacturing and offshore marketing activities. Our ability to adapt to change and our foundation of unending values customer-oriented has enabled Cochem to become one of the SO4 salts most exporting company. Email:sales(at)cochem.com.cn .
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Zinc Sulphate Monohydrate
Molecular Formula: ZnSO 4 H 2 O ...
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Ferrous sulphate Heptahydrate
Molecular formula: FeSO 4 .7H 2 O ...
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Ferrous
sulphate Monohydrate> ...
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sodium
metabisulphite> ...
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