... if need change pls let us know. How many percentage of lead & Tin could be change arrcoding your ... we insist on doing better for this product. Top quality, good price and best after ... service. We are the one you can trust. Welcome to visit our factory! Our ... and equipmentDie-casting, centrifugal casting, extrusion, cold drawing, cold-rolled, cold extrusion, cold heading, punching, forming lead ...