· OEM Manufacturer · Structural Suspension Part

Custom Suspension Part for Shock Manufacturers

Piston rods, threaded sleeves, spherical bearings, bump stops, shock mounts — precision manufactured for coilover brands and shock absorber OEMs. Stable quality, tight tolerances, direct engineering communication.

26+

Years Manufacturing

Component Types

Ra≤0.2

μm Surface Finish

THE PROBLEM

Struggling with Inconsistent Suspension Part Suppliers?

Every quality gap in your components is a quality gap in your product. Your brand reputation is on the line — not your supplier’s.

Piston Rod Leakage

Unstable chrome thickness on piston rods damages oil seals prematurely, causing fluid leakage that drives warranty claims and brand damage.

Spring Preload Issues

Threaded sleeves with poor tolerance make coilover height adjustment inconsistent — a major failure point for performance suspension brands.

Spherical Bearing Noise & Wear

Inferior spherical bearings introduce play and misalignment, creating noise complaints and premature component failure under dynamic loads.

Bump Stop Cracking

Low-quality polyurethane bump stops crack under extreme compression — especially in off-road and heavy-duty applications.

Peak Season Delays

Suppliers without controlled production capacity cause shipment delays during peak season, disrupting your assembly schedule and customer commitments.

Inconsistent Batches

Dimensional variation across production batches makes quality control unpredictable and forces your team to inspect every incoming shipment.

WHAT WE MANUFACTURE

Structural Suspension Part

Full OEM customization on all product types. Drawing-based production supported across all components.

ℹ️Scope Note: We do NOT manufacture hydraulic internal valve systems. We specialize in structural and external suspension components only.

Core Component

Piston Rod / Damper Rod / Shock Shaft

Precision ground and hard chrome plated piston rods for performance shock assemblies and coilover systems.

Ra ≤ 0.2μm surface roughness
Chrome thickness 15–30μm
1045 / 4130 chromoly / stainless steel
Custom thread & length

Protective

Bump Stop / Jounce Bumper / Axle Snubber

Progressive polyurethane bump stops that absorb extreme compression energy and prevent bottom-out damage.

Oil resistant polyurethane
Custom density options
Long service life

Coilover System

Threaded Sleeve / Coilover Sleeve + Collar Set

High-load threaded sleeves for coilover height adjustment. Includes lock collar, spring perch, and lower spring retainer.

6061 / 7075 aluminum
Hard anodized option
Custom thread pitch
Lock collar & spring perch included

Mounting

Shock Mount / Eyelet / Top Strut / Body Cap

High-strength aluminum mounting ends and body caps engineered for precise bore tolerance and structural integrity.

6061 / 7075 aluminum
Precise bore tolerance
Hard anodized optional

Mounting Hardware

Spherical Bearing / Uniball

High-strength spherical bearings for shock mounting where misalignment compensation and durability are critical.

Metric & Inch sizes available
PTFE lining option
Custom clearance
Chrome plated ball

Mounting

Shock Mount / Eyelet / Top Strut / Body Cap

High-strength aluminum mounting ends and body caps engineered for precise bore tolerance and structural integrity.

6061 / 7075 aluminum
Precise bore tolerance
Hard anodized optional

WHY CHOOSE US

Suspension Brands Choose Us for Functional Tolerance

Standard machining tolerances are not good enough for suspension components. We manufacture to functional performance standards — the kind that translates into zero warranty returns and repeat orders.

📐

Tolerance Control for Performance Suspension

Ra ≤ 0.2μm surface roughness, straightness ≤ 0.05mm, chrome 15–30μm controlled. We understand that suspension requires functional tolerance, not just dimensional compliance.

🧱

Material & Process Expertise

1045 carbon steel, 4130 chromoly, 42CrMo, stainless steel, 7075-T6 aluminum — with hard chrome, nitriding, and PVD coating. Material recommendations based on load and environment.

📦

Stable Supply for Growing Brands

Low MOQ for new brands. Bulk production for established manufacturers. Controlled production scheduling prevents peak season delays year-round.

🏭

Direct Manufacturer — No Trading Company

In-house CNC turning, precision grinding, surface treatment, and assembly support. Direct communication with the production team — no middleman.

Ra≤0.2

μm Surface Roughness

≤0.05

mm Straightness

15–30

μm Chrome Thickness

IT6–7

Tolerance Grade

WHO WE ARE

Production-Based Manufacturer.

26+ years manufacturing precision mechanical components for suspension, automotive, and agricultural applications. Direct factory access, engineering-level communication, and export experience to markets worldwide.

26+

Years Manufacturing

Component Types

50+

Markets Globally

24h

Engineering Response

QUALITY ASSURANCE

Every Critical Component Inspected Before Shipment

Procurement teams demand consistency. Our quality assurance system delivers documented inspection at every critical checkpoint — not just visual checks at the end of the production line.

🔬Surface roughness verification (Ra tester)

💪Hardness testing per batch

📏Straightness measurement fixture

🔧Thread accuracy gauge system

⚙️Chrome adhesion testing

📊

Roughness Tester

🔩

Hardness Tester

📏

Straightness Fixture

🔧

Thread Gauge

🔬

Micrometer & Height Gauge

📋

Batch Reports

INDUSTRIES

Who We Supply

Our suspension parts are engineered for demanding applications across motorsport, off-road, and performance aftermarket sectors.

🏭

Shock Absorber Manufacturers

OEM component supply requiring consistent batch quality and full inspection documentation.

🏎️

Racing Coilover Brands

Performance coilover manufacturers requiring tight dimensional tolerances and lightweight materials for motorsport.

🚙

Off-Road Suspension Systems

Heavy-duty component sets for off-road shock builders requiring maximum fatigue resistance and corrosion protection.

🏍️

UTV / ATV Manufacturers

Custom suspension part kits for UTV and ATV OEM builders with unique dimensional and material requirements.

🔧

Performance Aftermarket Brands

Private label manufacturing for aftermarket suspension brands requiring branded, OEM-grade quality components.

🏗️

Heavy-Duty Suspension Systems

Industrial and commercial suspension parts supply for heavy-duty vehicle platforms and specialized machinery.

HOW WE WORKS

From Drawing to Delivery

A streamlined OEM process built for engineering and procurement teams who need fast, accurate responses.

Submit Drawings

Send your technical drawings, specifications, or samples across any component type.

Engineering Review

Our team evaluates material, surface treatment, and tolerances — response within 24 hours.

Technical Quotation

Receive MOQ, lead time, and full specification confirmation before committing to production.

QC & Delivery

In-house inspection with batch reports. Consistent delivery scheduling maintained year-round.

FAQ

Frequently Asked Questions

Technical and procurement questions answered directly by our engineering team.

Do you manufacture complete shock absorbers?

No. We specialize in structural and external suspension components only — piston rods, sleeves, bearings, bump stops, mounts, and boots. We do not manufacture hydraulic internal valve systems or assemble complete shock absorber units.

What tolerance can you control for piston rods?

Surface roughness Ra ≤ 0.2μm (Ra ≤ 0.1μm precision option available). Straightness ≤ 0.05mm. Chrome thickness 15–30μm controlled. Tolerance grade IT6–IT7. Inspection reports available on request.

Can you customize thread size for coilover sleeves?

Yes. Full customization on thread pitch, body length, and diameter. We work from engineering drawings and can supply matching lock collar, spring perch, and lower spring retainer sets.

What is your MOQ?

MOQ varies by component type, material, and surface treatment process. We support low MOQ for new brands and scale to bulk production for mature manufacturers. Contact us with your drawing for a specific evaluation.

Do you support private label production?

Yes. OEM manufacturing and private label production are fully supported. We produce to your drawings, branding requirements, and packaging specifications.

Do you provide inspection reports?

Yes. Dimensional inspection report, hardness report, and surface roughness verification are available on request for each production batch. We understand procurement teams need documentation, not verbal assurances.

GET STARTED

Looking for a Reliable Suspension Part Manufacturer?

Send us your drawings or product requirements. Our engineering team will review and respond within 24 hours.

OEM manufacturing · Private label · Drawing-based production · 24hr engineering review