As a professional aluminum piston manufacturer of automobile, marine and mechanical engines since 1998, we have introduced Quality Inspectors, CNC Boring Machines, CNC Drilling Machines, CNC Grinding Machines, Piston Profile Testers and Roughness meters from Japan, America and Germany. Our product's design and process technology management are computerized. We are ISO9001:9002 certified and have the ability to design new products. We also offer tin coating, phosphating, hard anodizing and silk screening services. For the product testing, we are able to conduct metallurgical structure,...