Material:stainless Cast iron,carbon steel,alloy steel Certificate:ISO9001 best price and quality standard and nonstandard ... steelStandard: GB, JIS, ASTM, AS, DIN, AISI, BSand nonstandardPlace of Origin: jiangsu China (mainland)Grade: Q195-Q420 Series, SS400/540 ... We can also provide fabricated angle bars, including fabrication of cutting, drilling, welding, galvanizing, ussally for telocom tower use ...