... quality, Workable price 3. Daily capacity: 5000pcs 4. connected valve Engine valve guide1. Cast Iron material 2. OEM's quality, Workable ... are suit for gasoline, diesel, CNG auto engine models and motorcycles.trusted material of engine valve guide for cast iron: HT250, G3000 ... to the order quantity.4. Terms of payment: T/T (30 deposit, 70% pay againstthe copy of B/L) ; L/C ...