# About Demi Engine
Located in Wuxi, Jiangsu, China, we operate with our own piston ring manufacturing factory (with nearly 30 years of production experience) and a dedicated foreign trade company, Demi Engine. This structure allows us to directly supply high-quality engine components and complete machinery to global customers with competitive factory prices and professional export service.
Our business covers two main categories:
## 1. Piston Rings (Manufactured by our own factory)
With nearly 30 years of expertise, we specialize in manufacturing high-precision piston rings for various applications, including:
- **General Gasoline & Diesel Engines**: Complete Honda GX Series (GX100, GX120, GX140, GX160, GX200, GX210, GX220, GX240, GX270, GX340, GX390, GX420, GX440)
- **Garden Machinery**: GX35
- **Low Altitude Aviation**: Specialized piston rings for aviation and low-altitude aircraft applications
- **Over-size Non-standard Series**: For most models we offer oversized piston rings for engine rebuilding, including popular sizes GX160+0.25, GX160+0.50, GX160+0.75, GX160+1.0. Custom non-standard sizes available upon request.
- **Other Brand Compatible**: Robin Series (EY20, EY28), Yamaha Series (MZ175, MZ360)
## 2. Complete Machinery & Equipment (Supplied by our foreign trade division)
Through our foreign trade company, we export a full range of power and garden machinery to global markets:
- Complete gasoline and diesel engines
- Garden machinery: lawn mowers
- Agricultural machinery: water pumps for irrigation and drainage
- Construction machinery
- Related low-altitude aviation products
At Demi Engine, we combine manufacturing expertise with professional export service. We focus on strict quality control throughout production, competitive factory-direct pricing, and responsive customer support. Our long manufacturing experience ensures we understand the technical requirements of piston rings and can deliver consistent quality for every order.
We welcome partnerships with distributors, wholesalers, machinery manufacturers, and engine rebuilders around the world. Whether you need OEM piston rings from our factory or sourcing complete machinery for your market, we can meet your requirements with flexible order terms.
Contact us today to discuss your sourcing needs and get a quotation!
