Dear Sir, We require the Copper Sulphate (powder or crystal form) on a regular basis, the following are the details:*Copper content by weight: 24.7%.*Soluble Iron and Aluminum - 0.3%(Max);*Insoluble in water- 0.2%(Min);*pH value 3.0 to 3.5Our average requirement for the above material will be around 450 MT per month. Kindly quote your most competitive rates along with other business terms for CIF Nhava Sheva port.Looking forward for your urgent response.RegardsCountry:India