Please quote for the following wholesale product requirement - Product Name: Copper Concentrate Powder Specifications : The Copper Content Requirement Is Over 20%. The Sulfur Content Requirement Is More Than 25%, Other Elements Are Implemented In Accordance With The Industry Standard YS/T318 Quantity Required : 10000 Metric Ton/Metric Tons Quantity Required : 10000 Metric Ton/Metric Tons Shipping Terms : CIF Destination Port : China Payment Terms : LC Looking for suppliers from : Worldwide Contact : Celia Wang