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About Us
Zhejiang Gongzheng Machinery Co., Ltd.
Zhejiang Gongzheng Machinery Co., Ltd. is professional China American Abs Valve Manufacturers and Wholesale American Abs Valve Factory. Our core products include ABS (Anti-lock Braking System) and EBS (Electronic Braking System) control units, air dryers, air brake valves, and spring brake chambers, designed to meet the rigorous demands of the global commercial vehicle industry.

With advanced production technology, strict quality control, and a commitment to innovation, we provide reliable and efficient solutions for truck and trailer manufacturers worldwide. Our products comply with international standards, ensuring safety, durability, and superior performance in diverse operating conditions.

Key Products:
ABS & EBS Control Systems – Enhancing vehicle safety and stability.
Air Dryers – Ensuring clean, moisture-free air for braking systems.
Air Brake Valves – Precision-engineered for optimal braking performance.
Spring Brake Chambers – Robust design for heavy-duty applications.


At Zhejiang Gongzheng Machinery, we prioritize customer satisfaction, technological advancement, and sustainable growth. Partner with us for trusted braking solutions that drive excellence.
Safety. Reliability. Innovation.
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American Abs Valve Industry knowledge

Zhejiang Gongzheng Machinery Co., Ltd. is a professional American Abs Valve manufacturer and supplier, specializing in ABS (Anti-lock Braking System) control units, solenoid modulators, and axle control modules for heavy-duty trucks, trailers, and buses. Our product range covers the full spectrum of American-standard ABS valves, from individual solenoid modulators to integrated axle control packages and electronic control units. We engineer these components to meet the demanding requirements of North American commercial vehicle platforms, ensuring reliable wheel-speed modulation, system diagnostics, and compatibility with SAE J1926 and other relevant interface standards.

Our American Abs Valve Range

We supply multiple valve types and system configurations to match different axle configurations, trailer types, and electronic control architectures. The table below summarizes our available product families and their primary applications.

Product Family Key Features Typical Application
ABS Solenoid Modulator Valve 3/2-way solenoid control, high-frequency pressure modulation, NPT or flange ports Individual wheel-end control on drive axles and trailer axles
Dual-Output Precision ABS Solenoid Pressure Modulation Unit Two independent output channels, compact design, fast response Steer axles or dual-wheel configurations
High-Performance Multi-Port ABS Modulator Valve Multiple pressure ports, integrated diagnostics, robust housing Heavy-duty trailers with multi-axle ABS systems
Integrated Precision ABS Axle Control Package (Standard) Pre-assembled axle module with solenoid valves, pressure sensors, and wiring harness interface OEM line-fit for truck and trailer axle assemblies
Enhanced ABS System Axle Module with Solenoid Integration Upgraded solenoid bank, improved thermal management, plug-and-play connectors High-cycle applications, severe-duty vocational trucks
Electronic Intelligent ABS Control Unit for Heavy-Duty Trailers Microcontroller-based, CAN bus communication, self-diagnostic capability Trailer ABS systems requiring advanced control logic and fleet telematics integration

Application Fit and Configuration

Our American Abs Valves are designed for pneumatic braking systems on commercial vehicles operating under FMVSS 121 and related standards. We configure each valve or module based on the following parameters:

  • Vehicle type: tractor, straight truck, trailer (dry van, reefer, flatbed, tanker, dump)
  • Axle configuration: single, tandem, tri-axle; lift axles; steer vs. drive vs. trailer axles
  • Brake chamber type: spring brake, service brake, or combination chambers
  • Port interface: NPT (1/4", 3/8", 1/2") or flange mount per customer specification
  • Electrical interface: Deutsch DT, AMP, or custom connectors; 12V or 24V coil voltage
  • Communication protocol: J1939 CAN, PWM, or discrete I/O for ECU integration

Engineering and Quality Assurance

We manufacture our American Abs Valves in a 30,000 m² factory with automated production lines and in-house testing capabilities. Our quality management system is certified to IATF 16949, and we conduct 100% functional testing on every solenoid valve and control module before shipment. Key quality checks include:

  • Pressure hold and leak test (internal and external)
  • Solenoid response time measurement (energize and de-energize)
  • Flow rate verification at rated pressure
  • Environmental cycling (temperature, humidity, vibration)
  • EMC compliance testing per applicable standards

Integration and Support

We provide technical documentation including dimensional drawings, wiring diagrams, and installation guidelines for each valve and module. Our engineering team supports integration with existing ABS ECUs or can develop custom control logic for your platform. We also offer OEM/ODM services for branded ABS components, including custom labeling, packaging, and connector pinouts.

Information We Use to Configure Your Solution

To prepare a precise quotation and configuration, we require the following project details:

  • Vehicle make, model, and year (or axle specification)
  • Brake system architecture (e.g., 4S/4M, 6S/6M, or custom)
  • Desired port type and size (NPT or flange)
  • Operating voltage (12V or 24V)
  • Target production volume and delivery schedule
  • Any existing ECU or controller interface requirements
  • Environmental conditions (temperature range, exposure to salt/chemicals)

Frequently Asked Questions

What is the difference between a single solenoid modulator and a dual-output unit?

A single solenoid modulator controls pressure to one brake chamber. A dual-output unit contains two independent solenoid valves in one housing, allowing separate control of two brake chambers (e.g., left and right on a steer axle) while reducing plumbing complexity.

Can you supply ABS valves with custom connector pinouts?

Yes. We offer OEM/ODM services and can customize the electrical interface, including connector type, pin assignment, and wire length, to match your vehicle harness.

Do your ABS valves come with a warranty?

We provide a standard warranty against manufacturing defects. Warranty terms are defined per contract and typically cover one to two years from the date of shipment, depending on the product family and application.

What testing do you perform on each ABS valve before shipment?

Every valve undergoes a 100% functional test including pressure hold, solenoid response time, flow rate, and leak testing. Sample units from each batch are also subjected to environmental and vibration testing per our quality plan.

How do I determine the correct ABS valve for my trailer axle?

We need the axle type, number of wheels, brake chamber size, and desired ABS configuration (e.g., 2S/1M or 4S/3M). Our technical team can recommend the appropriate modulator or axle control package based on these parameters.

Related Products and Categories

Our portfolio also includes Products, European Commercial Vehicles, European Air Dryer for applications with different operating ranges, interfaces or integration requirements.