TIANJIN ZHONGYOU METAL PRODUCT CO., Ltd. One professional manufacturer with many years experience on steel wire line, we foundation in 1985, we have produced STEEL WIRE, SPRING STEEL WIRE, GALVANIZED STEEL WIRE AND STRAND, ACSR CORE WIRE, PC STRAND & WIRE etc for export on many years.For quality and management assurance, we have been certified by ISO9001:2000. All the specifications and standards such as ASTM, DIN, EN, BS, JIS, AS, etc, can be subject to buyer`s requirements. If you are in need of the products mentioned above, please kindly let us know your requirements for material and specifications in detail, we will offer you as soon as possible.We sincerely hope to establish a long-term business relationship as well as friendship with your excellent part.website: www.zywire.com