... Japan, Germany,Canada and America, etc.Product details: Best seller zinc die casting coded lock part Materialaluminum alloy A380, ... the customer’s samplesSurface treatment1.sand blasting,2.power coating3.painting4.anodization5.electrophoresis6.zinc plating7.black oxidation. ... railroad parts, medical parts, marine parts, lighting parts, pump body, valve parts, architectural parts and furniture parts so ...