... strength: bead wire has "NT","HT" and "SHT" Shandong Daye Co., Ltd is the largest manufacture in China on bead wire. The SHT steel wire ... international leading position.Shandong Daye Co., Ltd with principle of "quality, service and customer priority ", obtained certifications of ISO9001 ISO14001, ... our company for an ocular inspection at your convenient time! High tensile steel wire bead wire 1.55mm