Semi trucktrailer king pin  - 90# (3.5") 

Assembled Type 

1. Produced as the GB/T15088-2009/ISO8716:2001 .

2.Forged in the 40Cr, 20CrMnTi alloy constructional steel .

3.The assembled type use the 10.9 grade high-strength and prevent loosening bolt .

         Liangshan Changzai Machinery manufacturing Co.,ltd which is Chinese trailer ( special use vehicle ) production base . We are the factory professional design and manufacture the semitrailer parts , including Axle series ,Suspension system series , Leaf spring series ,Landing gear series , King pin series , Fifth wheel series , Air brake chamber series , Air tank series , Twist lock .....etc .

     Our king pin have more types which can meet your markets ,we have a professional trade team , which can repay our clients with better service and products all the time ,You will find your best needs from us ! 

 Our packing is standard export packing , also can do yours upon your request !

 Products——100% First Class!