Welding process and method for large diameter flange

Pulished on Mar. 12, 2021

shanghai qianshan piping technology company is the most innovation ability provider of integrated solutions for piping fabrication, also is the unique provider of professional piping plant design soft...

Do you know why important structures should be backed by argon arc welding?

Pulished on Mar. 04, 2021

shanghai qianshan piping technology company is the most innovation ability provider of integrated solutions for piping fabrication, also is the unique provider of professional piping plant design sof...

Pre-welding preparation and post-welding treatment of aluminum alloy

Pulished on Feb. 25, 2021

shanghai qianshan piping technology company is the most innovation ability provider of integrated solutions for piping fabrication, also is the unique provider of professional piping plant design soft...

Heat treatment state of low alloy high strength structural steels

Pulished on Feb. 04, 2021

shanghai qianshan piping technology company is the most innovation ability provider of integrated solutions for piping fabrication, also is the unique provider of professional piping plant design soft...