Steel Post Base are mainly used to connect the strut channels ... Fittings, Wing Fitting, Splice Fittings, Z Fittings, U Fittings, Post Bases and Special Application Fitting. ♦ Market: Most of items are ... supplying for North-America and Europe. ♦ Material: Standard carbon steel, conforming to ASTM A36, A575, A576, A635; Also available ... earliest factory who engaged in this area in China. Post Base