Cangzhou Tianyi is a professional manufacturer for galvanized PC strand, galvanized PC wire, PC strand, PC wire, PC bar. The yearly output near 140 thousand tons. We can produce as per ASTM A416 BS5896-1980 GB/T 5224-2003 JIS G3536 ASTM A421 GB/T5223-2002 JIS G3137 or other similar standards.Founded in 1998, Located in Jinghai County Tianjin City, near Tianjin and Beijing, It is very convenient to visit our factory.Our vision is Good quality, Professional and prompt service, Offer most reasonable cost for your need. Thanks!