Material of steel plate: High quality carbon steel Q355B, Guaranteed Performance Material, each steel plate has the same stable performance. After hot blasting, smooth, it is stronger than common steel
Exnt Sealing Performance
The double-sealing ring and the dust-proof ring structure can guarantee a long life time.
Stronger Plunger
The material of plunger is Chilled Alloy Cast Iron, after polishing,grinding treatment and resist compression test,make the surface smooth,and anti-abrasion.
