... ,Curtain accessories,Radiation protection equipment,Alloy crafts and Lead sinkers for diving etc.2.Main materialMainly using ... the Lead,Tin and Zinc etc.3.Technology and equipmentDie-casting, centrifugal casting, extrusion, ... extrusion, cold heading, punching, forming lead chain, lead rope, weaving, surface treatment and other related equipment.1.Company locationIt is ...