Chinese engine factory
Taizhou Zhilong Technology Co.,Ltd: every American brand built here
Federal certification records name Taizhou Zhilong Technology Co.,Ltd as the engine manufacturer behind 4 American powersports brands, covering street-legal scooters and motorcycles. Here is the full list, model year by model year.
- US brands
- 4
- Model years
- 2022–2026
- Engine families
- 20
- Displacement
- 49–169cc
American brands supplied by Taizhou Zhilong Technology Co.,Ltd
| US brand (certificate holder) | Model years | Engine families | Models certified |
|---|---|---|---|
| Gst Motor LLC | 2022–2026 | 16 | 65 |
| Hanhwei Technology Inc. | 2026 | 3 | 48 |
| Pacific Rim International West, Inc. | 2008–2027 | 151 | 423 |
| Roland Motor Industry, Inc. | 2023–2024 | 2 | 2 |
Which of those machines are actually comparable
A shared factory alone is a weak signal — Taizhou Zhilong Technology Co.,Ltd builds engines across 49–169cc. Grouping by engine size narrows it to machines genuinely worth comparing.
How this factory appears in the raw federal record
Each importer types the factory name into the certification form by hand, so one factory arrives in the data as many different companies. These 3 strings were reconciled into the single entry above.
- TAIZHOU ZHILONG TECHNOLOGY CO.,LTD.
- Taizhou Zhilong Technology Co.,Ltd
- Taizhou Zhilong Technology Co.,Ltd.
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Source. US EPA annual certification data — EPA Certified Highway Motorcycle Test Results, MY2006-present; EPA Certified Off-Road Motorcycle / ATV / UTV / Rec Vehicle, MY2006-present. Retrieved 2026-09-07. This page describes 20 certificate records naming Taizhou Zhilong Technology Co.,Ltd. Full provenance and method.