China Welded Steel Pipe with Great Grade - China Steel new design q215 erw carbon square steel pipe with great
Tangshan Lianchuang Steel Making Science & Technology Co., Ltd., Covering an area of 164, 000 square meters, is a comprehensive enterprise of steel deep-processing integrating ratio-frequency welded pipe, galvanized pipe, cold-rolled sheet and galvanized coil, with the annual yield capacity of 2,000, 000 tons of welded pipe, 450, 000 tons of galvanized pipe ranging
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15crmo 30crmo stress relieved hydraulic parts cylinder steel