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Forty years.
One product.

When the drive stops, the line stops. We build reducers that have run for twenty years in steel mills and cement plants — proven on sites in 22 countries.

Products

Product families

Six families, 340 standard models. When a standard will not do, we design to order.

Find your model

Search by specification

You do not need a model number. Start with the shaft arrangement, then narrow by ratio and torque.

36models
Industries

Where they run

Duty where downtime is expensive.

Quality

Engineering and certification

  • ISO 9001:2015Quality management · first certified 2003
  • IATF 16949:2016Automotive quality · first certified 2018
  • ISO 14001:2015Environmental management
  • ATEX 2014/34/EUExplosion-proof · category 2G / 2D

In-house test facility

  • 180 kWLoad test bench — every unit runs 2 hours at rated load before shipping
  • 3-axisGear measuring centre — profile and root tolerance to ISO 1328 grade 5
  • -30 to 120℃Climate chamber — cold start and sustained high-temperature running

Test reports ship with the drawing for every model. Witnessed testing is available on request.

Company

Company

We have done one thing for a long time — which is also how we know what will not work.

  1. 1986

    Founded in Ansan, Korea, as a gear cutting shop

  2. 1994

    First in-house helical reducer design — 12 standard models

  3. 2003

    ISO 9001 certified · first delivery to a steel mill

  4. 2011

    Exports begin to Germany and Türkiye

  5. 2018

    IATF 16949 certified · planetary range added

  6. 2024

    22 export countries · 340 standard models

Machining shop Assembly hall

Ansan plant · 6,600 m² · 38 machining centres · 4 assembly lines

Request a quote

Request a quote

You do not need to have chosen a model. Tell us the duty and we will select one.

Address
000 Sandan-ro, Danwon-gu, Ansan, Korea (fictional)
Email
sales@hando-gear.example
Office hours
Mon–Fri 09:00–18:00 KST (UTC+9)
Overseas enquiries
English and German accepted · reply within one working day
Sample · fictional company