... Class mill products, first quality in China! Qinhuangdao Aotong Trading Co.,Ltd.is a company with sell ,produce, business of timebargain, standred ... and trading. We have been the first agent of Shougang Group, And dealing with the steel plates of Jinan steel, Wuyang ... boiler steel plate, pressure vessel steel (America Standard), shipbuilding plate an so on. The specification from 12mm to 250mm, the max ...