About Dunyu × NSK

Powering
Intelligent Manufacturing
One Bearing at a Time.

As an official authorized NSK distributor, Shanghai Dunyu Bearing Co., Ltd. has grown into a trusted partner for high-speed, low-noise transmission solutions -- bridging Japanese precision engineering with the agile demands of global automation, robotics and new-energy industries.

15+

Years Operating

50+

Countries Served

2000+

OEM Clients

Dunyu corporate building exterior
Modern office collaboration scene
Dunyu company entrance gate
Engineering team at work
NSK

Authorized

Distributor · 2010

Dunyu headquarters facade

SHANGHAI · CHINA

Headquarters & Distribution Center

Our Story

A bridge between Japanese precision
and the world's smartest factories.

Founded as a specialist transmission supplier, Shanghai Dunyu Bearing Co., Ltd. earned its NSK authorization through years of disciplined engineering support, traceable supply records and zero-tolerance quality control.

Today, our mission is to make NSK's high-speed, low-noise technology accessible to every scale of intelligent manufacturer -- from precision motor OEMs in Southeast Asia to robotics integrators across Europe and North America.

Mission

Reliable transmission for every revolution.

Vision

Empowering global intelligent manufacturing.

Values

Precision · Traceability · Partnership.

Core Capabilities

Four pillars that power our supply excellence.

From dedicated testing benches to a flexible warehouse network -- every capability is engineered around your production rhythm.

High-speed performance testing workshop
01

High-Speed Performance Testing

In-house vibration & noise benches verify each batch up to 80,000 rpm. Z1V1-Z4V4 grades documented per shipment.

≤32 dB · 80k rpm tested
Smart warehouse with NSK bearing inventory
02

Flexible Supply & Inventory

Dedicated reservation for high-speed models. Flexible MOQ and smart inventory adapted to lean and just-in-time production.

10,000+ SKU available
Fast packaging and shipping operation
03

Rapid Response Team

Quotation within 24 hours, anti-static OEM packaging, and global expedited dispatch from Shanghai logistic hubs.

24h reply · 3-7 days lead
Engineers performing transmission technical analysis
04

Transmission Technical Support

Application engineers help match bearing, linear guide & ball screw selections to your duty cycle, load and speed envelope.

Selection · Drawings · Trial
Workshop precision processing
Organized warehouse storage
Quality inspection station
Smart warehouse aisle
Service Value

Three commitments our clients measure us by.

01

Stable High-Speed, Low-Noise Performance

Tested batch consistency keeps your production line silent and stable -- eliminating noise complaints, returns and rework cost.

  • Z1V1 - Z4V4 noise grade reports
  • Up to 80,000 rpm validated stock
  • Vibration data attached per batch

02

Flexible Batch Delivery

From small trial orders to mass-production reservation -- supply rhythms tailored to your real production calendar, not a rigid MOQ.

  • Sample-friendly low MOQ
  • Annual reservation programs
  • 3-7 day expedited dispatch

03

Professional Matching Support

Engineering-backed selection across bearings, linear guides and ball screws -- turning vague specs into the right NSK part.

  • Cross-reference & substitution
  • Load, speed & life calculation
  • OEM packaging & labeling
Certifications

Authorized, audited &
verifiable at every step.

Our partnership with NSK is more than a logo -- it is verified through annual audits, ISO-aligned process control and traceable factory output codes that you can independently confirm.

NSK Authorized Distributor

Official certification renewed annually

ISO 9001 Quality System

Full-process documented control

Performance Testing Standard

Z1V1-Z4V4 noise & vibration grades

Authorization

VERIFIED
NSK official authorization certificate

NSK Official Certificate

Authorized · Traceable · Annually Audited

Brand

NSK brand logo

NSK Corporation

Since 1916 · Tokyo, Japan

Compliance

ISO 9001 CERTIFIED
RoHS COMPLIANT
Anti-Static Pack STANDARD
Z1V1 - Z4V4 TESTED
Service Achievements

A track record built across factories, ports & exhibitions.

2000+

Active OEM Clients

120+

Factory Audits Hosted

30+

Global Exhibitions

Client Visits

Overseas factory audits & on-site collaboration

Overseas client factory inspection
Foreign clients reviewing samples
Client meeting at warehouse
Client receiving technical brief

Industry Exhibitions

Active in global automation & motor expos

Automation industry exhibition booth
Trade show product demo
Exhibition team welcoming visitors
Industry expo showcase

Daily Operations

Anti-static packaging & global dispatch

OEM packaging line
Pallet dispatch operation
Global shipment loading
Inventory ready for dispatch
Take The Next Step

Ready to discuss your
transmission solution?

Browse our full NSK transmission portfolio, or connect directly with a senior engineer for instant model matching, quotation and lead-time confirmation.

QUICK CONNECT · 即時連絡

★ NSK Authorized ISO 9001 RoHS