... world first-class equipment,which can arrange the bearing bar and cross bar in longitude and latitude order to certain distance.cross ... bar is pressed into the bearing bar by high tension resistance ... . NoItemDescription1Bearing bar25x3,25x4,30x3,30x4,30x5,32x5,40x5,50x5,.....75x10mm2Bear bar pitch12.5, 15, 20, 23.85, 25, 30, ...