Cheapest Price Valve Seats For Sealing - Valve Seat Are Malting With Cemented Carbide Call – Shanghai HY Industry
Cheapest Price Valve Seats For Sealing - Valve Seat Are Malting With Cemented Carbide Call – Shanghai HY Industry,
- Valve seat are malting with cemented carbide ball.
2.wear-resistant.
3.Smooth and glossy slope surface.