12 X 70 Parabolic Leaf Spring – Durable and Reliable Automotive Suspension Auto Parts

Product Description

12 x 70 Parabolic Leaf Spring - Durable and Reliable Automotive Suspension Auto Parts

We are a professional leaf spring manufacturer with over 15 years of experience. Over the years, we have deeply cultivated the domestic market, accumulated a large customer base, and gained extensive expertise in leaf spring quality and production.

In recent years, we have been actively expanding into international markets, adhering to the principles of high quality and low prices to create profit margins for our customers and support them in developing their markets.

The high reorder rate from our overseas clients over the past few years has demonstrated our sincere service, exceptional product quality, and competitive pricing advantages.

Our Advantages

01.No Rust problem + Perfect looking

Method:

>> Single leaf by electrophoretic painting(Optional)

>> Sembling spring by electrostatic painting(Optional)

Benefits for customers

>> Salt spray testing > 500 hours beat general industrial level 200 hours, avoid rust possiblity

>> Perfect-looking -- uniform painting, complete painting, no scratch

02. Pre shot-peening

Method:

>> Make shot peening under rated capacity

Benefits for customers

>> 160,000 times fatigue life beat general level 150,000 times; 

>> bear heavier capacity and use longer time; 

03. Pre-pressing and adjust

Method:

>> Make pre-pressing under rated capacity 

>> Select camber by computer

Benefits for customers

>> Guarantee reasonable camber and keep smallest tolerance, 

>> select out leaf spring whose camber is not qualified

Product Parameters

 

Place of Origin	Jinan China
Brand Name	Xiaocheng
Material	60Si2Mn, SUP9, SUP10, 50CrVA, 51CrV4, 55CrMnA, 65Mn, or as you required
Model Number	Leaf Spring
Certificate	TS16949,ISO,CE
Application	commercial vehicles
Specification	12*70 or as you required
Anti-corrosion treatments	Electrophoresis+painting
Quality level	Excellent quality for international market

Leaf spring Raw Material Source: 
Our spring flat bar is from the top 1 steel material supplier in China.
The quality of our raw materials has always been the core foundation of our products. As we all know, the lifespan of leaf springs largely depends on the quality of the raw materials. The higher the grade of the materials, the more stable and reliable the product performance.
As an industry leader, Xiaocheng is committed to using premium Chinese steel (Qingdao Special Steel) to provide a solid foundation for your products. We strictly control the quality of materials from the source, ensuring that every product meets your high standards.
Choosing Xiaocheng means choosing both quality and responsibility.

Automated Production Workshop:
With automated production lines, we can achieve continuous operation, significantly improve production efficiency, reduce manual intervention, and shorten the production cycle. Through precise equipment and program control, ensure the accuracy and consistency of each process, thereby improving the quality and stability of leaf spring products. 

Company Profile

Shandong Xiaocheng Auto Parts Co., Ltd. is a modern private enterprise engaged in the design, development and production of automobile leaf spring. Our company has been operating for more than 15 years, focusing on the production and development of the existing leaf spring 2 production lines (annual output of more than 30,000 tons).

Our production process is all in accordance with the original process, the use of rapid quenching oil for heat treatment, to ensure the level of metallographic structure. Surface shot peening, using stress shot peening machine, effectively ensure residual stress.
The paint is treated by electrophoretic spraying, and the salt spray test reaches 400 hours. It has successfully passed various bench and road tests, and can be customized according to the drawings and corresponding requirements.

We do products to "filial piety" as the first person, to "sincere" for the business, welcome friends from all circles to visit and guide.

Main Products:
Benz Series, Single Point Trailer, RV, tractor-trailer, Light Trailer,Faw Jiefang J5, J6 dump truck, tractor full series, J7 tractor series and other leaf springs Heavy auto Haowo, Steyer, T7H, T5H, Shande heavy truck and other dump truck full series leaf springs, Auman, Dongfeng, Shaanxi auto series leaf springs, Northern Benz series leaf springs, trailer series leaf springs.

FAQ:

Q1: How do you guarantee quality?

A1: We take quality inspect records from raw material to finished product.

     The former department bear 100% responsibility for next process.

Q2: Are you manufacturer?

A2: Yes, we are certainly a manufacturer specialized in leaf spring for over 15 years.

Q3: With so many leaf spring manufacturers out there, what are your advantages?

A3: High quality material (Qingdao special steel). Precise and efficient heat treatment process, ensure that the leaf springs have excellent strength, toughness, and fatigue resistance. We adopt comprehensive and rigorous testing processes to ensure that the quality and performance of the leaf springs meet the standards.

Q4: Do you test all your goods before delivery?

A4: Yes, we have 100% test before delivery.

Q5: How do you make our business long-term and good relationship?

A5:1. We keep good quality and competitive price to ensure our customers benefit ;

     2. We value every customer as a true friend and are committed to building genuine relationships while conducting business with sincerity, no matter where they are from.

Q6: Can you produce if we have samples only?

A6: Our technical ability is strong enough to deal with different types of spring.

   Sample drawing and customers' interests will be protected well.

Q7: Do you have a minimum order quantity (MOQ)?

A7: It depends on your specific requirements and can be negotiated. Generally, the larger the order quantity, the more competitive the unit price.
 

Orders come from trust, and trust is built up day by day.

High quality has always been our core principle. Over the years, we have established long-term business relationships with many international customers, whose high reorder rate serves as the strongest testament to the exceptional quality of our products.

We are committed to providing every customer with durable, top-standard products, thereby laying the foundation for a long-term and stable partnership with you.