Wholesale German Independent Suspension Mechanical Semi-Trailer Air Suspension System Heavy Duty Truck Trailer Suspension Unit Customized Discounted Price
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Product Highlights
- Customizable Dimensions: Towing plate height and leaf spring width available in multiple specific sizes.
- High-Strength Material: Constructed from high-strength alloy steel with organic coating for corrosion resistance.
- Customizable ABS and Tire: ABS system and tire count can be customized to meet specific requirements.
- Comprehensive Certifications: Certified by ISO, Ts16949, CCC, DOT, and CE standards for quality assurance.
- 24/7 Online Support: Professional after-sales staff available round-the-clock for technical queries.
- Factory Direct Pricing: Wholesale prices with no middlemen, offering significant cost savings.
- Custom Production Capability: Capable of producing based on customer samples, technical drawings, and designs.
- Complete Quality Control: 100% testing before delivery with automated production and international standards.
Product Attributes
- Customization
- Available
- Loading Weight
- 13000*3
- Type
- Suspension
- Model NO.
- JZ-JX2901
- H
- 185
- Height of Towing Plate
- 1180mm/1210mm/1230mm/1250mm
- Leaf Spring
- 8 Leaf/9leaf
- Leaf Spring Width
- 80mm/90mm/120mm
- Certification
- ISO/Ts16949, CCC, DOT, ISO, CE
- Tent Type
- Simple
- Axle Number
- 3
- Condition
- New
- After-Sales Service
- 24 Hours Online
- Warranty
- 24 Hours Online
- ABS
- Customizable
- Tire Number
- Customizable
- Color
- Orange
- Transport Package
- Container
- Specification
- Trailer Universal Model
- Trademark
- JiuZhou
- Origin
- China
- HS Code
- 8716900000
- Production Capacity
- 50/Day
- Package Size
- 200.00cm * 40.00cm * 40.00cm
- Package Gross Weight
- 5000.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description

Suspension is one of the most important assemblies in an automobile, which connects the body and wheels elastically The main role is to ease the shock loads transmitted to the body by the uneven road surface, attenuate the resulting vibration, reduce the dynamic loads of the cargo and the vehicle itself.
One-stop shopping
We have several self-developed production lines and storage warehouses for trailer accessories. Contact
us directly for your full trailer parts needs.
1.High-quality materials
Made of high-strength alloy steel, sturdy, wear resistant, with good service life
2.Special process
The surface is treated with an organic coating for a smooth finish and good corrosion resistance.
3.Complete production line
Adopting international standard size automated production with perfect quality control system.
4.Customized services
The product line has a wide range of models and can be customized according to the size you need.
| Height of towing plate | supension | Leaf spring | Leaf spring width | Balance arm pin | Hangers | Equalizer | |
| 1180mm | 1210mm | 3 axle supension | 8 leaf | 90mm | 50 | materialQ235 | thickness |
| 1230mm | 1250mm | 9 leaf | 100mm | 60 | thickness | 8mm | |
| the quantity is optional | 120mm | 70 | 8mm | 10mm | |||
| 10mm |
1. Specific parameters can be customized according to your requirements
If you have any questions, you can chat with me.

Liangshan JiuZhou Machinery Manufacturing Co,Ltd. is located in China trailer production base - Shandong Province. China trailer production base.
We are the most favored professional manufacturer of semi-trailer parts and components.We offer a wide variety of products to meet your diversified needs.
Since we have always adhered to the business principle of "quality first, customer first, integrity-based",we do our best to meet the potential needs of our customers. We understand that every market and customer is unique, therefore, we provide tailor-made solutions to meet specific needs and requirements.Solutions to meet specific needs and requirements.
Our scope of business includes mechanical equipment, wheels, brake drums, axle Shoes, Axles, Brake Pads, Suspension, Outriggers; Import and Export of Goods and Technology.
We have experience in exporting our products to the USA, Korea, Malaysia, Philippines, Middle East, Latin America, Africa and other countries and regions.
Professional after-sales staff will provide you with round-the-clock support to ensure smooth communication and timely resolution of any queries.
Q1. What is your terms of packing?
A: Generally, we will package it with fumigation-free wooden holder in brown boxes. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages
before you pay the balance.
Q3. What is your terms of delivery?
A: FOB, CIF, DDU, EXW, DAP.
Q4. How about your delivery time?
A: Generally, it will take 5 to 10 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.
One of the essential parts of a semi-trailer suspension system is the air spring. Also known as a pneumatic spring, it is responsible for absorbing vibration and cushioning the trailer from bumps on the road. The air spring's structure and design make it ideal for absorbing shockwaves and allowing the trailer to remain stable, even on rough terrains.
Another essential part of the semi-trailer suspension system is the shock absorber. The purpose of this component is to dampen the vibrations produced by the road surface and the trailer's movement. Shock absorbers play a vital role in keeping the trailer stable and reducing road accidents by reducing the impact of sudden movements.
The third vital component is the axle. The semi-trailer suspension axle acts as the foundation of the trailer. Its primary function is to transfer the load from the trailer to the road surface, ensuring a smooth ride and safe delivery of the cargo. The axle's design and engineering features are crucial in determining a vehicle's ability to support its load weight.
The brake components also play a critical role in semi-trailer suspension systems. When the truck driver applies the brakes, the brake components work together to slow down the vehicle, including the trailer. Semi-trailer brake systems must be designed with safety and reliability in mind to avoid accidents and maximize productivity.
Lastly, the semi-trailer suspension system includes the equalizer. The equalizer balances the weight distribution on the trailer and ensures that there is no overloading of the individual axles. A properly functioning equalizer ensures that the load is evenly distributed, reducing wear and tear on the vehicle and increasing its service life.
In conclusion, semi-trailer suspension parts are crucial for the safe and efficient transport of goods. Each component plays a vital role in ensuring that the trailer remains stable and safe on the road. Investing in high-quality, reliable semi-trailer suspension parts is essential for any business that wants to optimize their trailer's performance, reduce maintenance costs, and minimize the risk of accidents.
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About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI245482". Items marked "" are certified.
Company Profile
Liangshan Jiuzhou Machinery Manufacturing Co., Ltd. is located in Shandong Province, the production base of trailers in China. We are the most favored professional designer and manufacturer of semi-trailer parts.
We offer a wide variety of products to meet your diversified needs. Since the establishment of our company, we have always adhered to the business principle of "quality first, customer first, credit-oriented", and have done our best to meet the potential needs of our customers.
In today's wave of economic globalization, our company is sincerely willing to cooperate with enterprises from all over the world to achieve a win-win situation.
We understand that every market and customer is unique, so we provide tailor-made solutions to meet specific needs and requirements.
Strict quality control measures ensure that every product we produce meets international standards.
We adhere to ethical and sustainable business practices and contribute positively to the communities we work with.
Our team of experienced professionals provide round-the-clock support to ensure smooth communication and timely resolution of any queries.
Our scope of business includes mechanical equipment, wheel hubs, brake drums, axle shoes, axles, brake pads, suspensions, outriggers; Import and export of goods and technology.
Our products have been exported to the United States, South Korea, Malaysia, the Philippines, the Middle East, Latin America and other countries and regions. Philippines and the Middle East, Latin America, West Asia and other regions, and have been well received at home and abroad! .
For cooperation, inquiries or more information, please contact us. Let's grow and develop together in the dynamic world of international trade.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Liang Shan Jie Dao Ban Zhou Zhuang Cun Xi 100m Lu Bei, Liangshan County, Jining, Shandong, China
-
Plant Area
- 12820 square meters
-
Registered Capital
- 1,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, Western Union, PayPal, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF
-
Average Lead Time
- Peak Season Lead Time, within 15 workdays, Off Season Lead Time, within 15 workdays
-
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 30 pcs
Our Production Capability & Technical Expertise
- Main Products
- Axle, Trailer Leg, Trailer Part, Suspension, Trailer Axle, Trailer Air Suspension, Auto Accessory, Trailer Spring, Brake Chamber, Air Suspension
-
Production Lines
- 3
-
Production Machines
- flame cutting machine, Bending machine, Punching machine, Welding robot, Painting room
-
Inspection Type for Finished Products
- Random inspection Visual inspection Function inspection
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples,Customization from Designs,Full Customization,Minor Customization
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Main Markets
- Domestic
-
Repeat Buyers Choice
- < 10%
FAQ
- What is your terms of packing?
- Generally, we will package it with fumigation-free wooden holder in brown boxes. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
- What is your terms of payment?
- T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
- What is your terms of delivery?
- FOB, CIF, DDU, EXW, DAP.
- How about your delivery time?
- Generally, it will take 5 to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
- Can you produce according to the samples?
- Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
- What is your sample policy?
- We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
- Do you test all your goods before delivery?
- Yes, we have 100% test before delivery
- How do you make our business long-term and good relationship?
- 1. We keep good quality and competitive price to ensure our customers benefit ; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
Send your message to this supplier
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