Trailer parts Kingpin Bolted trailer 3.5 inch king pin with fifth wheel plate

China Heavy Duty Truck Group Sitong Special Purpose Vehicle Co.,Ltd.

CNHTC are one of the largest semi trailer manufacturer in China, 

our factory was established in 2002, so we have been in semi trailer business line 

for more than 14 years, and we are the cooperative enterprise with Sino Truck Group.

Our factory is located in Quanpu Industrial Zone, Liangshan, Jining city, 

Shandong province, China (Mainland). 

We own 76, 000 square meters production base with 20,000,000 registered capital 

130,000,000 fixed assets, and our annual production capacity can reach 

6,000 sets semi trailer. In our factory, there are 750 workers, 

63 technologists and four engineers.

1.Are you manufacture?

Yes. We are one of leading manufacturers for Kinds of pneumatic torque 

wrench with many new production line.

2.What's your guarantee?
On the product of "Three Guarantees".
The main components of the warranty period(See table):

3.Is OEM available?
Yes, OEM is available. We can produce our trailer according to your requirements. 
And we can also put your brand on the trailer.

4.What benefits will you bring?
Your client satisfied on the quality.

Your client continued orders.

Your can get good reputation from your market and obtain more orders.

5.Technical guidance offered or not?
We could offer the use and other aspects of technical guidance according to the request of the customer.

6.Please explain more about the Package and Shipping.
There's no package but we will spary wax before shipment against saltwater corrosion.
Regarding to the shipping method, as the size of truck trailer is not small, most kinds of trailers must be delivered by Ro-ro vessel or bulk vessel. But few kinds of trailers could be delivered by container vessel. Different trailers, different shipping methods.

If you have any interests in our products, please feel free to Contact us:

MS Panny QU

Skype: pannyqu

Tel: +86 537 2882988

Mob: +86 18753778511

Email: Sitong02(at)