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Window Regulator Manufacturer & Supplier - Supex Auto

Based in USA, Taiwan, Supex Auto Parts Inc. is one of the prime window regulator manufacturers since 1990. With a wide variety of car models, Supex Auto's window regulators are widely trusted by industry professionals.

ISO/TS 16949 certified, over 2000 SKUs, E-mark certification, OE standard tests, robotic-based automation, in-house tooling, more than 40 engineers, Supex Auto's electric window regulators are highly qualified for auto parts industry with competitive prices.

For cars like BMW, Audi, Cadillac, Chrysler, Toyota and Nissan, whether it's power window regulator or motor regulator assembly, both with advanced technology and 27 years of experience, Supex Auto ensures each customer's needs are met.

Supex Auto welcomes you to view our high quality window regulators power window regulator, power window motor, motor regulator assembly, window regulator, motor assemblies and feel free to Contact Us.

Company History



Timeline of HANSUN History



  Company founded by Kent Liao

  • Company founded by Kent Liao with 12 employees

   Peugeot and Daihatsu

  • Became Tier 1 supplier of Peugeot Taiwan and Daihatsu Taiwan

  First Trade Show  

  • First time visited automotive trade show

  Hanyale Production

  First5 AAPEX Show

  • Began producing aftermarket window regulators of General Motors, Chrysler, Ford and many others and export to North America
  • First time exhibited at AAPEX

  First Automechanika Show

  • First time exhibited at Automechanika Germany

  ERP Smart System

  • Established first head office and manufacturing plant located at Shigu, Changhua, Taiwan
  • Produced window regulators for all makers
  • ERP Smart system implementation
2002                   ISO 9001
  • 1st plant expansion to raise capacity
  • Acquired ISO 9001 certification

   2nd Plant Expansion

  • 2nd Plant expansion to raise capacity

         HANSUN Brand

  • Established HANSUN brand

                    1 Million Milestione

  • Annual sales volume reached 1 Million Milestone


  Supex Auto

  • Established its first US-based head office and distribution center in Ontario, CA, USA

  Stamping Factory

  Tooling Company

  • Became a supplier of European Tier 1 company
  • Established a tooling factory
  • Established a stamping factory

           Dorman Outstanding Supplier Award

  • Established a new headquarter and manufacturing plant located at Changbin Industrial Park, Changhua, Taiwan
  • ERP system updated to ERP Workflow
  • Awarded by Dorman's "Outstanding Supplier Award"

                13 Million Milestione

  • Total sales volume reached the 15 Million Milestone
  • Established a components factory
  • Established a sales office and RD office in Taichung, Taiwan

 ISO/TS 16949 Certified

  • Passed the following audit with high scores: SGS Workplace Conditions Assessment, C-TPAT and Supplier Qualification Program
  • Acquired ISO/TS 16949 certification
  • Acquired E-mark, CE certification
  • Became a supplier of US top automotive retailer

  Plastic Injection Factory

  Welding Robot

  EMI System

  • Established a plastic injection factory
  • Factory automation
  • Implemented a Real-Time EMI System
  • Implemented a Real-Time Quality Monitoring System
  • Implemented Advanced Planning and Scheduling system

        Auto Parts Store

  • Established a motor factory
  • Became a supplier of the biggest automotive retailer in the US

  Social Media and eCommerce

  • Established a new smart manufacturing plant in Changbin Industrial Park, Changhua
  • Set up HANSUN social media
  • Set up Amazon and ebay account

  New Factory

  • Moving towards smart factory for industry 4.0

 Automation Pyramid

  • Complete Industry 4.0 production plant

Gallery of HANSUN

HANSUN is a leading supplier of Window Regulators to the Automotive Aftermarket. With more than 28 years of professional experience in design and manufacturing, HANSUN provides the best quality window regulators in the industry. HANSUN, headquartered in Changhua, Taiwan, has a full-service Distribution Center, Supex Auto Parts Inc., in Ontario, California, USA to support the needs of retailers, warehouse distributors and repair shops. Register to receive your Buyer Checklist: