1. Inside the nozzle designed with guide device to achieve pre-centering. 2. The gate seat and gate are assembled and regrinded to ensure concentricity that ensure the valve pin is accurate in position without eccentricity. 3. Naturally balanced melt flow. 4. ASSAB imported corrosion-resistant. 5. Steel quenched to be more wear-resistant. 6. Independent heating ensures temperature balance. 7. Suitable for resins with high glass fiber.