Tuesday, January 4, 2022
Standard Reference for Seamless Steel Pipe
1. Seamless steel tube for structure (GB / T8162-1999) is a seamless steel pipe for general structure and mechanical structure. 2. Seamles...
Oil Gas Water News Flange Fittings Pipes
1. Seamless steel tube for structure (GB / T8162-1999) is a seamless steel pipe for general structure and mechanical structure. 2. Seamles...
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