Yechee provides a complete set of steel structure members for factory buildings, airport, stadium, station, bridge, thermal power plant, wind power project, commercial building & dwelling, crane system, communication tower, ocean engineering, ect. All the materials of our steel frame are c beam, z beam, h-shaped steel and thick iron plates or sheet, the grade is upon euro norm s355jrc or american norm astm a572 grade 50 or equivalent to q345b. None
Steel construction members, steel structure.