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Precision Shock
Absorber Components

Premium sintered metal pistons, PTFE banded components, oil seals, and suspension parts manufactured in China with advanced powder metallurgy and precision engineering.

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Trusted Manufacturer of Shock Absorber Components

We are a leading Chinese supplier specializing in high-performance shock absorber parts and pistons for automotive suspension systems. With years of expertise in powder metallurgy and precision stamping, we deliver durable, reliable components trusted by global partners.

Our product range includes sintered pistons, PTFE banded components, oil seals, valve shims, brackets, and custom-engineered solutions designed for superior damping efficiency, wear resistance, and longevity.

139+
Piston Models
93+
Part Categories
Factory Equipment Precision Components Quality Inspection Manufacturing Process

Premium Products

Engineered for performance, durability, and precision fit. Explore our full range of shock absorber components built with advanced materials and manufacturing techniques.

Shock Absorber Piston

PTFE Banded Sintered Piston

  • • Steam-treated surface finish
  • • Fe-C-Cu sintered material
  • • Density: 6.65–6.8 g/cm³
  • • Carrying capacity ≥15N/mm³
  • • Low noise, high efficiency
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Shock Absorber Guide

Shock Absorber Guide

  • • Fe-C-Cu material, density 6.8g/cm³
  • • PTFE ring and bushing lined
  • • Steam treatment, hardness 85HRB
  • • 100% appearance inspection
  • • Sintered with precision
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Shock Base Valve

Sintered Shock Base Valve

  • • Iron-based powder metal
  • • 32mm standard size
  • • HRB 60–100 hardness
  • • Steam-treated finish
  • • OEM and custom options
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Shock Oil Seal

NBR Shock Oil Seal

  • • Nitrile rubber (NBR)
  • • Temperature range: -40°C to 300°C
  • • Tolerance: ±0.05mm
  • • Excellent oil resistance
  • • Easy installation
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Shock Valve Shims

Shock Valve Shims

  • • Stamped round iron discs
  • • Thickness: 0.1–1mm
  • • Lightweight & durable
  • • Custom stamping available
  • • For smoother operation
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Shock Absorber Bracket

Precision Shock Bracket

  • • SPHC material
  • • Size: 44.8 x 26 x 93mm
  • • For car rear shocks
  • • CNC and stamping precision
  • • 16T–500T stamping machines
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Piston Rod

Chrome-Plated Piston Rod

  • • 20mm diameter, HRC 48
  • • Hollow design
  • • Chrome-plated surface
  • • Straightness: 0.05mm
  • • Stainless steel material
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Du Bushing

PTFE Coated Du Bushing

  • • Steel-backed, sintered bronze
  • • PTFE anti-wear surface
  • • Self-lubricating
  • • Thrust pad design
  • • Oilless sliding bearing
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Advanced Quality Control

Every component undergoes rigorous testing and inspection to ensure reliability, consistency, and compliance with international standards.

Performance Testing

High-low temperature testing, vibration endurance, durability simulation, and functional validation under extreme conditions.

Precision Measurement

CMM inspection, surface roughness (Rz0.2–0.4 / Ra0.1max), dimensional tolerance control (±0.05mm), and material density verification.

100% Inspection

Visual and automated inspection of all parts. Steam treatment verification, hardness testing (HRB 60–100), and defect screening.

139+
Piston Models
93+
Product Lines
500T
Max Stamping
100%
Inspection Rate

What Our Clients Say

"After several cooperation, I am rest assured the quality of your products and very thanks of you provide good service and help me solve problems."

— Mr. Leonard Knox

"Great, thank you, you offer best shock absorber car parts!"

— Amos Ammerman

"Ningbo XiaYi always give me good quality goods, fast delivery and excellent service, we will cooperate with each other in the future."

— Kapil Dev Julka

Get in Touch

Ready to discuss your shock absorber component needs? Connect with our sales team for quotes, samples, and technical support.

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All inquiries are handled through the official website. No fake forms, no spam — just direct access to real support.

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