Products

The semi trailer middle suspension
The semi trailer middle suspension is a key component connecting the axle and frame, which is mainly used to support the body, cushion the impact of the road and ensure the smooth running of the vehicle. It is widely used in semi-trailers, trucks and other heavy vehicles.
Features
Products Description
The introduction and description of The semitrailer Mechanical Suspension:
The semi trailer middle suspension is a key component connecting the axle and frame, which is mainly used to support the body, cushion the impact of the road and ensure the smooth running of the vehicle. It is widely used in semi-trailers, trucks and other heavy vehicles.
The front mechanical suspension is usually composed of leaf springs, shock absorbers, U-bolts and other components, which is simple and durable, can withstand large loads, and adapt to various complex road conditions.
material

Leaf spring: Usually made of high-strength alloy steel, with good elasticity and fatigue resistance.
Shock absorber: the shell is mostly steel, filled with hydraulic oil or gas, and the material should be resistant to corrosion and high temperature.
U-bolt: High strength steel is used to ensure a strong connection.
Other parts: such as bushings, gaskets, etc., the use of rubber or polyurethane, with good wear resistance and buffering effect.
peculiarity
1.High load capacity:
can bear large loads, suitable for heavy vehicles.
2.Simple structure:
easy to maintain and replace.
3.Strong durability:
high strength material, long service life.
4.Strong adaptability:
can maintain stability in various road conditions.
5.Low cost:
Compared to air suspension, mechanical suspension has more cost advantages.

technology
Leaf spring manufacturing
Including cutting, heating, forming, quenching, tempering and other steps.
Shock absorber assembly
Including shell processing, internal parts assembly, hydraulic oil filling, etc.
U-bolt processing
Through forging, heat treatment, thread processing and other processes.
Final assembly
Assemble and test the components to ensure that the performance is up to standard.
Production process
Raw materials procurement
Purchase raw materials such as steel and rubber.
Parts processing
respectively processing leaf springs, shock absorbers and other parts.
Surface treatment
rust prevention, painting and other treatment.
Assembly
The components are assembled into a suspension system.
Test
Load, fatigue and other tests to ensure quality.
Packaging
After the test is qualified, the package is ready for delivery.
The semi trailer middle suspension Features:
FEATURE 01
Semi-trailer suspensions
FEATURE 02
2-axle system, 3-axle system, 4-axle system, single point suspension systems are Available
FEATURE 03
Capacity for different requirements
FEATURE 04
Boogie according to special needs
FEATURE 05
Strict quality control system to assure our excellent product quality.
FEATURE 06
products are popular in the worldwide market, including North American, South American, European, African and Southeast Asian markets.
Mechanical Suspension Information

1.The front, middle and rear spring hangers are made of high tensile low alloy steel plates (pressed and welded into structure) stronger but lighter than the old type.
2.The new design prevents the spring from shifting in a side way during running, The 90mm wide steel spring is made of high quality material.
3. The antifriction block (welded) is made of high tensile steel plate material (or #20cast steel) .
4. Its angle is in line with the unfolding direction between the steel plate spring and the antifriction block of the rocker arm.
5. The angle of the torque arm is scientifically adjusted. It can efficiently reduce the instant sliding distance between the tires and the ground, effectively lower friction of the tire, and increase the tire service life.
7.The torque arm bushing is made of urethane rubber. It has a buffering function to the instant abrasion in sliding shift of the tire.
8.The above features, plus a correct installation, reliably guarantee the verticality between the axle and the king pin, effectively remove the phenomena of offset abrasion and gnawing, and make the tire wearing even.
Packing&Shipping

Company information
Cangzhou Saixin Trading Co., Ltd. is located in the trailer parts distribution base in North China.It has developed into a new trailer suspension comprehensive enterprise integrating consultation,design,production and sales.
the company is mainly engaged in American suspension, German suspension, Fuwa BPW brake shoes, brake drums, wheel hubs and other products. It has a perfect sales network and after-sales service system,and is deeply loved by customers and friends.
adhering to the enterprise spirit of "honesty, trustworthiness, innovation and development", the company continues to deeply cultivate the trailer suspension industry,do a good job in products and services with the spirit of craftsman,and win the recognition of more and more customers and markets with excellent products and services.
enterprise purpose:create value for customers,create benefits for enterprises,create prospects for employees and create prosperity for society
enterprise spirit: honesty and trustworthiness,innovation and development.
business philosophy:start with the user's needs and finally the user's satisfaction;Focus on customers and meet their expectations.
quality policy:perfect service,customer satisfaction,full participation,process control and continuous improvement.
FAQ
Q: Can you produce or modify the products we want?
A: Samples for development are warmly welcomed. We have rich experience in developing and modifying it.
Q: What is the MOQ?
A: Usually we require MOQ to be one container. But special cases can also be treated specially
Q: What's the process of placing orders?
A: Sending us the information you have (OEM numbers, photos, specifications, car models, etc.)
We quote and send you photos and other details for confirmation.
Discussing about all details you want to know (packing, delivery terms,warranty, etc. )
You can add our WhatsApp.
Order process will be informed by emails from time to time.
Q: What is the payment method?
A: The payment method is flexible and changeable, and we can discuss the specific situation in detail according to the order
Q: Besides these products, what other products do you have?
A: Our company is located in the largest trailer parts distribution base in North China. After more than 30 years of development, we now have a lot of products besides our own factory products. We have very rich product resources to meet the needs of different customers need.
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