HEBEI YUTONG METAL PRODUCTS CO.,LTD is specialized in high quality bolt seals manufacturing and exporting .As one of the biggest professional security products and solutions provider ,we dedicated in innovation, perfection and satisfaction. Main products are container seals, metallic cable seals ,plastic seals which are all used in ISO container, Container trucks, Doors ,Van vehicle, etc. to protect cargo against manipulation. We got the ISO/PAS 17712 and C-TPAT compliant. We offer one-stop ...