providing, high-pressure water jet cleaning, metallurgical dephosphorization, powder metallurgy, ship cleaning and derusting, foundation engineering, liquid transportation, engineering excavation. It can combine with various rubber tubes or metal pipes,and apply in oilfield as a wellhead pressure testing pump. The 3DK high pressure pump applies an improved liquid end of the 3D2, which increases the discharge pressure up to 70 MPa and has a wider application market.






