# HANGLI TRANSMISSION - **Website:** - **Primary alias:** `geartt.com` - **Founded:** 2018 - **Employees:** 11+ - **Location:** Zhuzhou City, Hunan, China - **Company kind:** PRIVATELY HELD ## Description Hunan Hangli Transmission Machinery Co., Ltd. is a high-tech company based in Zhuzhou, Hunan, China. Established in January 2018 by members of a former aviation transmission research and management team, the company combines aviation transmission expertise with the development, manufacture, testing and servicing of precision drive systems. Its core focus is high-speed gear transmission and customized solutions for demanding test applications. Products include high-speed gearboxes, high-speed slip-ring electrical signal connectors, inertia flywheels, torque loaders, torque-measuring discs and specialized test rigs. The company also designs and builds test systems for aircraft engine components, motors, generators and vehicle power systems, with configurations tailored to customers’ requirements. Its capabilities cover mechanical, electrical and hydraulic power-closed test benches, as well as test-rig installation and commissioning. Beyond equipment development and sales, Hangli provides transmission-system testing, rotor structure and strength testing, rotating-machinery fault diagnosis, repair and remanufacturing services. Its projects serve sectors including aerospace, rail transportation and mechanical transmission, supporting customers seeking specialized testing equipment and transmission-system solutions. ## Industries - 🏭 Heavy Industry and Engineering - 🏭 Aerospace and Defense _(under Heavy Industry and Engineering)_ - 🏎 Vehicles - 🏎 Aviation _(under Vehicles)_ ## Logos & icons - logo _(primary)_ — PNG — [download](https://cdn.brandfetch.io/idknNZPmdy/w/329/h/70/theme/dark/logo.png?c=1bxid64Mup7aczewSAYMX&t=1721680601733) ## Colors | Name | Hex | Theme | | --- | --- | --- | | Boston Blue | #3b75ba | accent | | Black | #000000 | dark | | White | #ffffff | light | ## Fonts - 思源黑体 CN Heavy — asset _(custom)_ - -apple-system — asset _(system)_ --- _Source: _ _See [/llms.txt](/llms.txt) for a full list of agent-readable pages, and [/auth.md](/auth.md) for how agents authenticate._