... is used for prestressed steel structure, high-rise buildings, city's overpass, water towers, water conservancy etc Dear Sirs,We can ... conservancy, hydropower project etc.Standard: the production can be effected according to GB/T5223-2002, JIS G3536-1984, BS5896-1980, ASTM A421 ... price list, technique data etc. in detail, please feel free to contact us.Welcom you all the time here at our ...