Challenge International Industry Group Ltd

As the top 5 steel coils supplier in shanghai, 

Challenge International Industry Group Ltd, with monthly 150,000 - 260,000 tons steel product in stock, mainly of the steel coils, cold rolled steel coils, hot dipped galvanized steel coils, pre-painted steel coils PPGI, available to meeting your various standards and processing requirements.

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We regularly supply steel coils, cold rolled coils, hot dipped galvanized coils, prepainted galvanized coils, crc, hrc, hdg, gi, gl, ppgl, ppgi, ppgf, spcc, dc01, sgcc, dx51d, astm cs tpye a,b,c