Lihuan is the custom manufacturer you need for your industrial engine valve spring and wire form applications. Your needs are unique, and so are the precision spring and wire forming solutions we provide. From prototyping through production, we will help you with custom solutions for your compression, torsion and extension spring needs.

Valve Spring Features:
- Spring pitch changeable
- Advanced manufacturing and testing equipment
- Strict quality control and management
- Exported directly
- High quality material: 55CrSi, 60Si2Mn
- Responsive service