about preair

Shaoxing Fangjie Auto Accessory Co., Ltd., founded in 2003, is an enterprise integrating auto parts R&D, manufacturing, sales and service. With a history of more than 20 years, it is located in Fuquan Street, Keqiao District, Shaoxing City, a famous historical and cultural city.It has an advantageous geographical location, covering an area of more than two acres, with a building area of more than 20000 square meters.It has more than 100 employees, including more than 10 management teams, more than 10 foreign trade teams and A professional R&D team of five people,5 quality management personnel…

  • 22+
    Years Industry Experience
  • 20000+
    Factory Area
  • 100+
    Company Employees
  • 500000+
    Production Capacity

featured products

The company is mainly engaged in brake automatic slack adjuster and brake caliper repair kits for trucks, trailers and buses. We have complete equipment, world-class production and testing equipment, large-scale machining centers and CNC machine tools, with an annual production of more than 500000 sets.
  • Slack Adjuster
  • Brake Caliper
  • Brake Pad
  • Solenoid Valve
  • Clutch Master Cylinder
  • Brake Chamber

certifications

The company paid much attention to quality-control in manufacturing process.
certifications (1)
certifications (2)
certifications (3)
certifications (4)
certifications (5)

latest news

Our excellent quality management system ensures that you do not have to worry about quality issues
view more
  • What is the difference between a 24V ABS soleno...

    The difference between a 24V ABS solenoid valve and a standard solenoid valve is not just voltage. A 24V ABS solenoid valve is built for anti-lock brake pressure control in commercial vehicles, wh...

    What is the difference between a 24V ABS soleno...

    The difference between a 24V ABS solenoid valve and a standard solenoid valve is not just voltage. A 24V ABS solenoid valve is built for anti-lock brake pressure control in commercial vehicles, wh...

  • Why is a truck brake caliper shell a key part i...

    A truck brake caliper shell is a critical structural part of the caliper housing, and it matters most during heavy truck brake rebuilding because it holds the piston, guide surfaces, sealing areas...

    Why is a truck brake caliper shell a key part in heavy truck brake rebuilding?
    Why is a truck brake caliper shell a key part i...

    A truck brake caliper shell is a critical structural part of the caliper housing, and it matters most during heavy truck brake rebuilding because it holds the piston, guide surfaces, sealing areas...

  • What compatibility factors matter for Truck Bra...

    Truck Brake Automatic Slack Adjuster selection in 2026 comes down to four compatibility checks: the brake chamber stroke range, S-cam or caliper geometry, mounting dimensions and orientation, and ...

    What compatibility factors matter for Truck Bra...

    Truck Brake Automatic Slack Adjuster selection in 2026 comes down to four compatibility checks: the brake chamber stroke range, S-cam or caliper geometry, mounting dimensions and orientation, and ...

  • What 2026 Trends Matter for ABS Solenoid Valve ...

    For 2026, the most important ABS solenoid valve trend for heavy truck brake safety is not a single new part number, but a system-level shift toward faster pressure modulation, tighter OEM compatib...

    What 2026 Trends Matter for ABS Solenoid Valve Heavy Truck Brake Safety?
    What 2026 Trends Matter for ABS Solenoid Valve ...

    For 2026, the most important ABS solenoid valve trend for heavy truck brake safety is not a single new part number, but a system-level shift toward faster pressure modulation, tighter OEM compatib...