top of page

Certificates & Documents

Verified credentials and downloadable documents for your purchasing reference

🧠 Patents

Proprietary technology protected by 4 international patents

IMG_5304.HEIC

A Robot Joint Bearing Reducer

Pattern No.  ZL2015 2 0557374.3

IMG_5305.HEIC

A Reduction Mechanism Applied to Robot Joint Bearing Reducers

Pattern No.  :ZL 2015 2 0552305.3

IMG_5308.HEIC

A Housing Structure for Robot Joint Bearing Reducers

Pattern No.  ZL 2015 2 0557266.6

IMG_5340.heic

A Transmission Mechanism Applied to Robot Joint Bearing Reducers

Pattern No.  ZL 2015 2 0552543.4

🏭 Factory Audit Report

Third-party verified production capability and quality management

Xnip2026-04-21_20-16-33.jpg

Factory Audit Report

Verified by TÜV 

Production facility inspection covering: workshop size, equipment list, annual capacity, quality control process, employee count, and management system.

📋 Additional Documents

More resources for your purchasing evaluation

Product Category

Product Catalog

Full product specifications, wire diameter range, axes configuration, and pricing guidelines

DONGZHENG'e hoş geldiniz

VE ÖRNEKLERİNİZİ HAZIRLAYIN

Songmushan, Dalang, Dongguan, Guangdong

Tel: +8613809822984
 

  • Facebook
  • Twitter
  • YouTube
  • LinkedIn

© 2023 by DONGHENG

bottom of page