NEWS List
NEWS List
Connection method of flat welding flange
Flat welding flange connection device:Flat welding flange is an American standard flange connection device for two large-diameter pipelines,usually consisting of two flange plates a...
2025-03-19
Production process of butt welded elbows
Butt welded elbows have different production processes and procedures, and need to be produced and processed according to certain situations during processing. ...
2025-03-19
