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About Bolthai

Built on chassis manufacturing. Focused on the aftermarket.

Automotive suspension and steering parts for distributors, wholesalers, workshops and aftermarket professionals.

Ningbo Youantu & Bolthai

Professional chassis parts. Practical sourcing support.

Bolthai is an automotive chassis and suspension parts brand focused on reliable replacement solutions for the global aftermarket.

Our range includes control arms, ball joints, stabilizer links and steering linkage components. We support buyers with manufacturing expertise, product identification and supply coordination.

Explore Our Products
Customer-supplied manufacturing facility
Manufacturing foundation.
Manufacturing foundation

Capacity behind your sourcing plan.

ISO 9001 Quality management
6,000+ Product references
50M+ Annual component capacity
7,000 m² Warehousing network
01

Stamping

Forming components for the specified suspension application.

02

Machining

Dimensional control across key manufacturing steps.

03

Welding

Assembly processes supported by production controls.

04

Assembly

Component assembly, inspection and supply coordination.

Illustrative automotive component inspection
Component inspection illustration.
Quality control & testing

From material selection to component checks.

Quality controls cover material selection, machining, assembly and testing. Applicable checks include dimensional inspection, material analysis, hardness, fatigue, torsion and corrosion testing.

  • Material and dimensional inspection
  • Mechanical and durability evaluations
  • Corrosion and environmental checks
  • ISO 9001 quality management
Markets & service

Support for aftermarket buying workflows.

Europe & South America

Our primary international markets, serving distributors, wholesalers and repair professionals.

Warehousing & Supply

A 7,000+ m² warehousing network supports inventory and shipment coordination.

After-Sales Support

Fitment assistance and quality-related support. Eligible products carry a 2-year / 60,000 km warranty.