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    1. Contact us

      We will contact you within 24hrs

      WHO WE ARE

      As a subsidiary of DF Gear, founded in 1986, HDH Gear Manufacturing Co. Ltd has inherited a 35+ year legacy of experience across China and Southeast Asia. HDH Gear was founded to provide direct communication and access to all DF Gear resources to international clientele. We specialize in the manufacturing of custom gears and mechanical parts for industrial and automotive applications. Our clients include China FAW, CNHTC (China National Heavy Duty Truck Group), and SAIC Motor Corporation.

      OUR VALUES

      With our heritage of over 35 years of gear manufacturing experience, we strive for impeccable quality and a superior customer experience. We are a very passionate and dedicated team with offices within the United States. We guarantee fast and reliable communication through the entire process.

      OUR VALUES

      With our heritage of over 35 years of gear manufacturing experience, we strive for impeccable quality and a superior customer experience. We are a very passionate and dedicated team with offices within the United States. We guarantee fast and reliable communication through the entire process.

      WHAT WE DO

      HDH Gear manufactures custom gears and mechanical components within its 180,000 sq. ft. facility and includes:
      - Commercial truck transmission gears
      - Industrial and construction machinery gears
      - Gear shafts
      HDH Gear is also an international distributor of gears and mechanical components from partner companies.

      WHAT WE DO

      HDH Gear manufactures custom gears and mechanical components within its 180,000 sq. ft. facility and includes:
      - Commercial truck transmission gears
      - Industrial and construction machinery gears
      - Gear shafts
      HDH Gear is also an international distributor of gears and mechanical components from partner companies.

      ACCOLADES

      HDH Gear and DF Gear takes pride in its products, customers, and employees with a third of the workforce having a 10+ year tenure. We have received over 30 awards across several categories. One of the most prestigious is:
      - National High-Tech Enterprise Certification
      Our innovation in the manufacturing process as well as composition has resulted in 17 patents including:
      - Long key device for pneumatic clamping and milling counter-tooth products
      - Tooth-setting and gear hobbing fixture
      - Post-heat treatment keyway grinding device
      - Transmission assembly with full inertia lock ring synchronizer

      ACCOLADES

      HDH Gear and DF Gear takes pride in its products, customers, and employees with a third of the workforce having a 10+ year tenure. We have received over 30 awards across several categories. One of the most prestigious is:
      - National High-Tech Enterprise Certification
      Our innovation in the manufacturing process as well as composition has resulted in 17 patents including:
      - Long key device for pneumatic clamping and milling counter-tooth products
      - Tooth-setting and gear hobbing fixture
      - Post-heat treatment keyway grinding device
      - Transmission assembly with full inertia lock ring synchronizer

      Gear processing

      Always meet customer needs and constantly exceed customer expectations

      Gear hobbing, gear shaping

      Both gear hobbing and gear shaping adopt the principle of generative method to process gears. In contrast the efficiency of gear hobbing is higher than that of gear shaping. The company is equipped with a unit automatic gear hobbing production line t...

      More+

      Always meet customer needs and constantly exceed customer expectations

      Shaving

      Gear shaving is based on the principle of meshing a pair of helical gears with unequal helix angles. The gear shaving cutter and the axis space of the gear to be cut intersect at an angle and their meshing is a freely generated movement with no backl...

      More+

      Always meet customer needs and constantly exceed customer expectations

      Tooth shape detection

      Equipped with a gear measuring center of a well-known domestic company it can measure various shapes of spur gears and helical gears. Measure gear cutters such as gear hobs worm gear hobs gear shaving cutters radial gear shaving cutters and gear sha...

      More+

      Always meet customer needs and constantly exceed customer expectations

      Grinding processing

      Grinding processing is divided into inner circle outer circle end face cone surface grinding etc. which is a finishing process after heat. The inner circle and outer circle grinding production line adopts truss robot connection production which reali...

      More+

      Always meet customer needs and constantly exceed customer expectations

      Grinding teeth

      Gears processed by grinding teeth have the advantages of low transmission noise high transmission efficiency and long service life. Equipped with gear grinding machine can realize gear surface distortion repair to reduce noise and efficiently process...

      More+

      VIEW ALL PROCESSION

      LATEST NEWS

      hotline:+1 (917)667-0353

      email:Customer@hdhgear.us

      address:7545 Irvine Center Dr, Suite200, Irvine, CA 92618

      Copyright ? 2021 HDH GEAR, INC. - All Rights Reserved. technical support:

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