axle mechanical supension , under slung , over slung type, with 7 pcs , 8pcs, 9 pcs leaf spring , hanger thickness 6mm, 8mm, 10mm air link , air supension , wheel base  1310mm, 1360mm centre bolts with grease nipple.88 type , 86type , 68 type . for container semi trailer , with adjustable , fixing  arm torqure bar.  u bolt , equalizer .light or heavy duty .M24 , M36, 22t, 26t, 32t .2 axle suspension , 3 axle suspension .bi , tri...