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Precision Hydraulic Locks & Air Suspension Components

Rui'an Haoman Auto Parts Co., Ltd. is a trusted manufacturer of high-performance hydraulic locks, air suspension valves, and height control systems for commercial vehicles. With over 15 years of expertise, we deliver durable, OEM-compliant parts trusted by fleets worldwide.

Hydraulic Lock Product

About Haoman Parts

A Pioneer in Automotive Hydraulic Lock Manufacturing Since 2008

Haoman Workshop

Rui'an Haoman Auto Parts Co., Ltd.

Located in Rui'an, Zhejiang Province, Haoman Auto Parts has been a leader in the design and manufacturing of automotive hydraulic locks since its founding. With over 15 years of experience, we have built a reputation for innovation, quality, and reliability across global markets.

Our products are engineered using precision techniques and high-grade materials to meet the rigorous demands of modern commercial vehicles. From Volvo to Mercedes-Benz and DAF, our OEM-compatible components ensure seamless integration and long-term performance.

15+
Years in Industry
50+
Global Markets

Why Choose Haoman Parts?

High Quality

We pay close attention to the quality of each product, ensuring durability and performance under extreme conditions.

Innovation

Our R&D team continuously develops new technologies and patented designs to improve performance and efficiency.

Reliability

Our hydraulic locks and valves are built to last, with robust designs that withstand daily wear and heavy-duty use.

After-Sales Support

We offer trustworthy after-sales service, ensuring customer satisfaction and long-term partnerships.

Our Products

High-Performance Hydraulic Locks & Suspension Components

Hydraulic Lock 2247241

Hydraulic Lock

Model: Volvo

OEM: 2247241

Hydraulic Lock 9603101683

Hydraulic Lock

Model: Mercedes-Benz

OEM: 9603101683

Hydraulic Lock A9303100083002

Hydraulic Lock

Model: Mercedes-Benz

OEM: A9303100083002

Hydraulic Lock 1406786

Hydraulic Lock

Model: DAF

OEM: 1406786

Air Suspension Valve
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Air Suspension Valve

OEM-Compatible Design

Precision Control for Smooth Ride

Height Valve
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Height Valve

Maintains Optimal Ride Height

For Trucks & Commercial Vehicles

Domestic Series
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Domestic Products

High-Value Solutions

For Local & Regional Markets

Custom OEM Solutions

Custom Manufacturing

Tailored to Your Specifications

MOQ & Bulk Orders Supported

15+
Years of Experience
50+
Countries Served
10M+
Parts Delivered

Frequently Asked Questions

What is a hydraulic lock?

A hydraulic lock is a safety device used in hydraulic systems to prevent unintended movement of cylinders. It locks fluid in place, ensuring stability and safety in vehicle suspension and lifting systems.

Are your parts OEM compatible?

Yes, our hydraulic locks and valves are designed to meet or exceed OEM specifications for brands like Volvo, Mercedes-Benz, and DAF, ensuring perfect fit and performance.

Do you offer custom manufacturing?

Yes, we provide OEM/ODM services and can customize parts based on your technical drawings or samples. Contact us for bulk or private-label orders.

What is your lead time?

Standard orders are processed within 7–15 days. Sample orders can be shipped within 3–5 days. Delivery times vary by destination.

Get in Touch

For inquiries, quotes, or technical support, reach out to us directly.

Phone: 15325772588

Email: haomanparts@qq.com

Contact Person: Mr. Cai

Address: Luo Feng Shuang Qiao Village, Tang Xia, Ruian City, Wenzhou, Zhejiang Province, China

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