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Product introduction
Spiral steel pipe
Seamless steel pipe
Oil casing
Cold rolled sheet
Pipe fittings
Precoated hot dip zinc steel tube
Prefabricated directly buried insulation pipe (produced by "pipe-in-pipe" method)
3 PE anticorrosive pipe
Plastic coated composite pipe
Plastic lined composite pipe
Straight seam welded steel pipe
Black rectangular tubes
Hot dip galvanized square tube
Hot dip galvanized round pipe
Shenyang subway
沈阳地铁
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