Hardware processing is to use raw materials (stainless steel, copper, aluminum, iron), lathes, milling machines, drilling machines, polishing and other machinery to process into various parts according to customer‘s drawings or samples, such as: screws, motor shafts, model car parts, fishing gear accessories, dog bones. Hardware processing process: One is to open the material according to the production needs. After opening, some small parts can be punched and then cut or CNC processing. This is a lot in the production of glasses accessories and auto parts. And to make containers, it is almost to open the material punch and then weld, then sand and spray oil, and then assemble the accessories to ship. And for small parts, there are also a lot of surface treatment after grinding, electroplating or oil injection. Then welding or screwing, assembly, packaging and shipment. Hardware processing methods include turning, milling, planing, grinding, pliers, stamping, casting and other methods. Stamping: Stamping uses pre-made dies for cold stamping with a punch, mainly for Sheet Metal Processing, that is, most of the processed materials are plates, and the processing efficiency is relatively high and suitable for mass production. The processing technology is divided into engineering molds and continuous molds. Engineering molds are also called single stamping molds. Some more complex parts use several sets of molds, while continuous molds split the shape of the product into several parts in the cavity of the mold, so that one stroke of the punch is a finished product. The high-speed continuous punch machine can process three or four hundred products per minute. Lathes: Lathes are precision machining machines, which are divided into ordinary lathes, automatic lathes, instrument lathes and computer lathes. It rotates by clamping the material and performing radial or axial machining by the lathe. Now automatic lathes and computer lathes are more and more widely used. Because these two are fully automatic machining, the accuracy error caused by human operation is reduced to the bottom point, and the processing speed is fast, for large-scale production. Most of today‘s computer lathes are equipped with side rotary tools and back rotary tools, which means that the lathe can also be milled. The surface roughness of the lathe is about Ra0.4-1.6.