Chinese engine factory
Chongqing Huansong: every American brand built here
Federal certification records name Chongqing Huansong as the engine manufacturer behind 7 American powersports brands, covering ATVs, UTVs and side-by-sides, street-legal scooters and motorcycles, off-road machines. Here is the full list, model year by model year.
- US brands
- 7
- Model years
- 2009–2027
- Engine families
- 298
- Displacement
- 99–999cc
American brands supplied by Chongqing Huansong
| US brand (certificate holder) | Model years | Engine families | Models certified |
|---|---|---|---|
| Bennche, Llc. | 2011–2017 | 21 | 23 |
| Hisun Motors Corp., U.S.A. | 2012–2027 | 240 | 541 |
| Hs Motos Inc. | 2010 | 1 | 3 |
| Massimo Motor Sports, LLC | 2015–2027 | 96 | 164 |
| Qlink-Keeway America, LLC Dba Qbk Motors | 2008–2013 | 27 | 51 |
| Speed Utv, LLC | 2023–2026 | 4 | 3 |
| Tomoto Industries, Inc. | 2009–2011 | 5 | 46 |
Which of those machines are actually comparable
A shared factory alone is a weak signal — Chongqing Huansong builds engines across 99–999cc. Grouping by engine size narrows it to machines genuinely worth comparing.
- 250cc cohort4 brands · 2010–2015 · 1 year with two or more brands certified together
- 500cc and above cohort4 brands · 2012–2027 · 8 years with two or more brands certified together
- 200cc cohort4 brands · 2009–2026 · 4 years with two or more brands certified together
- 450cc cohort3 brands · 2012–2026 · 4 years with two or more brands certified together
VIN prefixes assigned to Chongqing Huansong
If your frame number starts with one of these three characters, NHTSA has it recorded against this manufacturer. Check the first three characters of the VIN stamped on the frame or shown on the VIN plate.
| VIN starts with | Company as NHTSA records it | Vehicle type |
|---|---|---|
| LWG | CHONGQING HUANSONG INDUSTRIES (GROUP) CO., LTD. | Motorcycle |
A VIN prefix identifies the company that registered the code, which is not always the company that built your engine — importers sometimes register their own. Treat it as corroboration for the emission label, not a replacement for it.
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 11 strings were reconciled into the single entry above.
- CHONGQING HUANSONG INDUSTRIES (GROUP) CO., LTD
- Chongqing Huansong Industrial Group Co., Ltd.
- Chongqing Huansong Industries (Group) Co., Ltd.
- Chongqing Huansong Industries (Group) Co., Ltd.
- Chongqing Huansong Science and Technologies Industrial Co., Ltd.
- Chongqing Huansong Science and Technology Industrial Co., Ltd.
- Chongqing Huansong Science and Technology Industrial Co., Ltd. 2
- Chongqing Huansong Science and Technology Industrial Co., Ltd. 3
- Chongqing Huansong Science and Technology Industrial Co., Ltd.(2)
- Chongqing Huansong Science and Technology Industrial Co., Ltd.2
- Chongqing Huansong Science and Techonology Industrial Co., Ltd.
Related in the registry
- Same factory does not mean same partRead this before ordering anything
- Where to find your emission stickerBy body style
- Free printable measuring gaugesBelts, rollers, carburettor spigots
- All 98 multi-brand factories
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 737 certificate records naming Chongqing Huansong. Full provenance and method.