Sheet metal has not yet had a more complete definition, according to a foreign professional journal on a definition for: sheet metal is for sheet metal (usually below 6mm) a comprehensive cold processing process, including shear, punching/cutting/composite, folding, welding, riveting, splicing, forming (such as car body), etc.. Its remarkable feature is the same thickness of the same part. Generally speaking, the basic equipment of sheet metal factories includes Shear Machine, CNC Punching Machine, Laser, shear folding Machine (Combination Machine), Bending Machine (Bending Machine) and various auxiliary equipment such as: leveling Machine, laser welding Machine and so on. Our enterprise processing types, discuss the new product with the customer, the customer will provide the technical documents to come over, we will analyze the technical documents/sample analysis after the product process problems accounting standard cost again, reply to the customer after the decision after taking orders, technical team starts to make, into the customer technical documents, purchase trial production material, arrange sample group of trial production, Process engineers from the production of technical document sample to open trial on-site technical guidance as it goes, at any time and schedule feedback the question, when a process or equipment problems timely communication with customer technical department to improve, after the first inspection through trial production, before the small batch production, process engineer must be required for the production process technical documents: Process technical requirements, substitute material list, standard process lag to production, check qualified and finally complete the product.