... round/flat/square)* Rod, half round bar* Pipe/tube (round/square)* Seamless tube* Pipe fitting* FlangeStandard: ASTM, JIS, EN, BS, GB, DIN and etc ... engineering: hot rolling, cold rolling, hot expandAbrasive style:NO 3 surface: 120 #, 180 #NO 4 surface: 240 #, 3,220 #, 400 # HL ... Wuxi Khalid Technology Co., Ltd2) Address: Room A-211, NO.30 Huitai Road, Nanchang District, Wuxi City, Jiangsu, PRC China3 ...