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Export returned goods due to force majeure due to the epidemic can enjoy relevant tax relief
The Ministry of Finance, the General Administration of Customs, and the State Administration of Taxation have recently jointly issued an announcement (No. 41 of 2020), which clarifies the tax regulati
The main advantages of laser welding
Fast speed, large depth and small deformation. It can be welded at room temperature or under special conditions, and the welding equipment is simple. It can weld hard-to-reach parts.
Pneumatic tool maintenance and maintenance
Before using pneumatic tools, please be sure to read this manual. Only after fully understanding the content can pneumatic tools be used in the workplace, and the content must be strictly implemented.
Analyze the main points of the use and maintenance of pneumatic tools
Pneumatic tool is mainly a tool that uses compressed air to drive a pneumatic motor to output kinetic energy to the outside. According to its basic working mode, it can be divided into: 1) rotary type