... first Class mill products, first quality in China! Qinhuangdao Aotong Trading Co.,Ltd.is a company with sell ,produce, business of timebargain, standred ... and so on,it is a enterprise with processing and trading. We have been the first agent of Shougang Group, And ... customer,such as hot rolled,control rolled, normalization, Tempering,Z performance and so on.For our best price ,good service,get ...