head board of engine compartme For example:plating,powder coating,anodize,E-coating…..) 1, Making process:punching,welding,grinding,tapping,precision wire cutting,riveting,etc. 2, Meterial:iron,stainless steel,aluminum,copper 3, Certification:TS16949 4,competive price and high quality.we are serious to control quality and deliver the goods on time,to bring best convenience to our customers.