... let us know. How many percentage of lead & Tin could be change arrcoding your request.Custom is acceptable ... our factory! Our Factory : 1. Main productsLead alloy,Tin alloy,Zinc alloy Fishing tackle, Curtain accessories,Radiation protection ... the Lead,Tin and Zinc etc.3. Technology and equipmentDie-casting, centrifugal casting, extrusion, cold drawing, cold-rolled, cold extrusion, cold heading, punching ...