1. making mould & lost wax casting all parts in house 2. material: stainless steel, carbon steel, brass etc. 3. high quality 1. my factory can make mould and lost wax casting all kinds of high quality parts2. material: stainless steel, carbon steel, brass, copper, etc.3. parts' finish: sandblast, polish to shiny, satin, plating, etc.4. professional in lock field