German suspension

American suspension  

Specification:                                                                                      

1) Suspension with axle together

2) Height of towing plate: 1180mm, 1210mm, 1230mm, 1250mm, 1300mm

3) Various suspension: 2 axle suspension, 3 axle suspension and 4 axle suspension

4) Leaf spring: 8 leaf, 9 leaf ,the quantity is optional

5) Leaf spring width: 90mm, 100mm, 120mm

6) Balance arm pin: 50, 60,70

7) Hanger: material Q235; thickness 8mm;10mm for option

8) Equalizer: thickness 12mm; 14mm for option

Suspension parts:                                                                              

Shandong Liangshan Zhengyang Machinery Co.,Ltd is a professional manufacture in semi-trailer

parts,located in the famous trailer base—Liangshan,Jining,Shandong province.8000 square

meters workshop, over 200 professional workers,ISO9001:2008 certificate in product quality,

support custom-made,neary 12 years’ experiences in producing semi trailer parts.

Our main products:                                                                            
1. American type/ German type ,Drum axles /Spoke axle 8T-25T
2.trailer mechanical suspensions 11t*2 13t*3 16t*4
3.24t 28t 32t bogie
4.11t 13t air suspension
5. king pin /fifth wheel 2 inch(50# )& 3.5 inch(90#)
6.leaf spring 90 width*13 thickness*10 pcs 75*13*8pcs 120*16*12pcs( hot seller ) 
7.landing gear capacity 20T 25T 28T 30T single side & double side operation 
8.brake chamber single & double 
9. air tank 20L 30L 40L 60L 
10.twist lock molten & forged 

2. Well-trained and experienced staffs to answer all your enquires in fluent English,spanish Our

Service Promise is all about 100% customer fulfillment and satisfaction. Promises build trust,

understanding and customer loyalty.Shandong Liangshan Zhengyang Trailer Parts Co., Ltd is

committed to providing you a superior, customized product and the highest levels of service and reliability.

A: We will quote you best price according to your quantity, so when you making an 

inquiry, please let us know the quantity you want.The more quantity the better price.

2. Q:How about the quality of this product?

A: Our products are certified to ISO9001 international quality standards. We compay 

have very strict Quality Control Systems.

3. Q:What material of the product can you supply?

A: Steel 

4. Q:What's your MOQ? 

A: 10pcs for each model. We hope you can buy more to save more money.

5. Q:What's the delivery time?

A: For products that are in stock, we can ship it within 7 days after receiving your 

payment. For custom order, quantity within 24 tons, production time is 12-20 days after confirmed every details.

6. Q:What's your packing?

A:Our usual packing for this product is pallet, we can also supply you packing 

according to your requirements.

7. Q:Can we custom our own logo or label on this product?

A: Yes, you can. we support logo print & stamping & label print, print will be free if the 

logo is not very complex.

8. Q:What about the warranty?

A: We are very confident in our products, and we pack them very well to make sure the goods in well protection.