Commodity: Lead concentrate (Pb 45% Min), the higher the better Radiation: Must not exceed ten times the natural back ground radiation level. Packing: in 50kgs pp bag Quqntity:500MT for trial order Pls offer your lowest price of CIF Tianjin,China and delivery time. Request SGS or CCIC report before loading. The terms of payment:100%L/C (90% at sight,10% after inspect by CIQ or SGS at China).