Annual scale procurement of zinc sulfate: 30,000 tons
Annual scale procurement of manganese sulfate: 15,000 tons
Annual scale procurement of ferrous sulfate: 10,000 tons
Annual scale procurement of copper sulfate: 15,000 tons
Source: self-owned factories, for purposeful and custom-made development

 

?  Raw material SGS inspection certificate

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?  Dioxins Laboratory,RCEES,CAS

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?  Certificate of Analysis

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?  Test Report For Commercial Entrustment

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?  Test Report For Commercial Entrustment

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