hot rolled steel U channelsize 50-320mm,length 6M 9M 12Mmaterial Q235 or SS400offer capacity:10000ton/week
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TANGSHAN SHENDA STEEL CO., LTDVIP会员第13年
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hot rolled steel U channelsize 50-320mm,length 6M 9M 12Mmaterial Q235 or SS400offer capacity:10000ton/week