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200mmheight,200mm width Galvanized square and round tubes

200mmheight,200mm width Galvanized square and round tubes

specification:200mmheight,200mm width ,4mm-15mm thickness Galvanized square and round tubes. Mainly used in curtain wall, construction, machinery manufacturing, steel construction projects

specification:200mmheight,200mm width ,4mm-15mm thickness Galvanized square and round tubes.
Mainly used in curtain wall, construction, machinery manufacturing, steel construction projects