1. Products material: Metal 2, OEM orders 3, Quick delivery 4, Strict quality ... -cavity3. Cavity/core steel: P20, 45#, Cr12MOV etc.4. Products Material: NBR, FPM, CR, EPDM, ACM etc5. Standard: DIN or JIS ... structure and function of product more reasonable and advantaged. The material of moulding adopted Cr12MOV and heat treatment adopted the integral ...