Tractor Gear box housing: casting material: HT250 hardness :170-241HB professional production line competitive price Casting technique: Adopt lost foam casting technique. The coupon is attached to the casting, so physical and chemical test and mechanical test can be...

800 Gearbox for tractor: 1.casting material: HT250 2.hardness :170-241HB 3.high quality and reasonable price 800 Gearbox for tractor 1. Casting technique: Adopt lost foam casting technique. The coupon is attached to the casting, so physical and chemical test and mechanical...

Tractor Gear box housing: casting material: HT250 hardness :170-241HB professional production line competitive price Casting technique: Adopt lost foam casting technique. The coupon is attached to the casting, so physical and chemical test and mechanical test can be...

700 Gearbox for tractor: 1.casting material: HT250 2.hardness :170-241HB 3.high quality and reasonable price 700 Gearbox for tractor 1. Casting technique: Adopt lost foam casting technique. The coupon is attached to the casting, so physical and chemical test and mechanical...

Tractor Gear box: casting material: HT250 hardness :170-241HB professional production line competitive price and top quality Casting technique: Adopt lost foam casting technique. The coupon is attached to the casting, so physical and chemical test and mechanical test can be...

Tractor Gear box: casting material: HT250 hardness :170-241HB professional production line competitive price and top quality Casting technique: Adopt lost foam casting technique. The coupon is attached to the casting, so physical and chemical test and mechanical test can be...