The recruitment position information section of the China Public Recruitment Network publishes job information across the country, mainly including public institution job recruitme...

During the sheet metal process, after the workpiece is blanked, the corners, burrs, and joints must be trimmed (grinded) as necessary. At the tool joints, use a flat file for trimm...

In engineering construction, machinery manufacturing, pressure vessels, ships and other industries, welding is one of the core connection processes. In order to ensure the safety a...