China, Japan, South Korea, North Korea, Mongolia, Hong Kong-China, Macao-China, Taiwan-China
China, Japan, South Korea, North Korea, Mongolia, Hong Kong-China, Macao-China, Taiwan-ChinaProduct Description
Square pipe is a kind of name for square pipe, that is, steel pipe with equal side length. It is made of rolled strip steel by technological treatment. Generally, the strip steel is unpacked, leveled, curled, welded to form a round pipe, then rolled into a square pipe by the round pipe and then cut into the required length.
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