• <span id="1u65s"></span>
    <acronym id="1u65s"></acronym>


    Ossen Innovation Materials Co.,Ltd is a famous domestic manufacturers of prestressed materials. As high-tech construction materials, the prestressed materials of high strength and low relaxation have been widely applied in the great projects such as huge-span suspension bridges, nuclear stations, hydro projects, city viaduct, express railway tracks, anchors and civil constructions as well.
    Copyright ©2008 Ossen Innovation Materials Co.,Ltd. All Rights Reserved.   
    亚洲 综合 欧美在线 精品,成在线人免费直播,黄av免费视频在线观看,国产在线精品欧美日韩电影