High-quality Pyrites and its processed products (micro
                    powder & qualified sand). Chemical composition: FeS2. Specification: 
                    S:48% min,Fe:42% min,As:0.1% max. All of its indexes have passed
                    SGS tests,and are in accordance with EU's import criterions.
                    The specifications of micro powder include:30-50 meshes,50-80
                    meshes,and 100-400 meshes etc, which usually is produced according
                    to the customer's requirement. The specification of qualified
                    sand :5-20mm,20-50mm,etc,whose specification is in accordance
                    with the requirements of customer's too. High-quality Pyrites
                    is widely used in metallurgical and refined chemical industries
                    such as special steal smelting, procision casting, abrasive
                    and grinding tools, high capacity batteries, brake bands,