Sheet metal is a comprehensive cold working process for sheet metal (usually less than 6mm), including shearing, punching / cutting / compounding, folding, riveting, splicing, forming, etc., which is characterized by the same thickness of the same part. Sheet metal has the characteristics of light weight, high strength, low cost and large-scale mass production. It is widely used in electronic appliances, communications, automotive industry, medical devices, machinery, shipbuilding, aviation and other fields.According to the "report on in-depth market research and investment strategy recommendations for the sheet metal industry 2019-2023" released by xinsijie Industrial Research Center, almost all manufacturing industries will involve sheet metal processing, and sheet metal is an indispensable and important part of the manufacturing industry. With the continuous expansion of the s...