Dear Sir,We would like to introduce ourselves as an Indenting Agents in Pakistan.For our customer we need :Zinc Sulphate (Mono) for Fertilizer IndustryGranule FormZinc Contents 33% Min.Water Solubility 30%Annual consumption: 2500 MTCan you please offer us above item on C&F Karachi/Pakistan basis.If yes, we need 3 Kgs sample for Customer Lab testing as without approvalOf sample our customer will not consider any offer.Regards, Show More