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Qingdao Sino Witop Steel Group is a leading integrated co***ny of manufacturing and trading in China, founded in 1995. Sino Witop Steel Group mainly produce cold rolled steel, galvanized steel, galvalume steel, pre-painted/color coated steel, tinplate and other steel materials. Qingdao Sino Witop Steel Group can process further-production for these products, e.g. corrugated steel sheet, PPGI/PPGL color coated roofing sheet, slitting steel coil to strip and so on. We also can produce steel products accord...
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