
WENZHOU WANHONG AUTOMOBILE ENGINE BEARING&PUMP CO.,LTD. manufactures engine bearings and piston rings with high-volume capacity and broad specification coverage.
WENZHOU WANHONG AUTOMOBILE ENGINE BEARING&PUMP CO.,LTD. is a Wenzhou-based manufacturer focused on engine bearings and piston rings. With about 20 years of production experience, the group supports global buyers with stable, large-scale output and a wide range of specifications.
The company operates with five branch companies and a 66,700 square meter plant area, supported by a team of more than 600 staff, including engineers. Its product range spans 2,200 engine bearing specifications and 1,700 piston ring specifications, enabling coverage across diverse engine applications.
Wanhong serves customers across South America, the Middle East, Africa, Europe, and Asia, and markets products under its own brand, BCK. Annual capacity is listed at 60 million pieces for engine bearings and 30 million pieces for piston rings, backed by quality system certifications including TS16949 and ISO 9001:2008.

Focused on manufacturing engine bearings and piston rings for automotive engine applications, delivering broad specification coverage and large-scale production support.
| Product | Specification Coverage |
|---|---|
| Engine Bearing | 2,200 kinds |
| Piston Ring | 1,700 kinds |
| Product | Capacity |
|---|---|
| Engine Bearing | 60,000,000 pcs/year |
| Piston Ring | 30,000,000 pcs/year |
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