Drop-in check valve

Drop-in check valves prevent return flow during a kick and  allowing fluid to be pumped downward to circulate the well.  

Two-way Shock Absorber(Shock Sub)

Two-way Shock Absorber Connected with the drilling string close to the bit. It can absorb or reduce both transversal and longitudinal vibration of the drilling string in drilling operations. Permits use of optimum combination of drill pressure and drill speed, reduces the drilling cost and promotes the drilling efficiency.


Reamer Drilling String type and Near Bit type Used to centralizing and reaming. OD size from 3-3/4 to 24inch

Crown Block

Crown Block

Comply to API Spec.4F,8C.

Suit for -20~55℃, or -45~40℃

Oil&Gas Drilling

Oil&Gas Drilling Equipments,Drilling Equipments Spare Parts, BOP, Safety Device, Camp+Drilling Tubular and Tools+Drilling&Workover Rig package+Oilfield Fluid Product


Water,Mining,Construction Drilling

Drilling Equipments,Tools and Spare Parts for Water,Mining,Engineering Application

More Info

Artificial Lifting



Stimulation Equipments

Components and Spare Parts for Frac Pump,Cement Pump,Coil tubing,Nitrogen Generation Unit


Welcome to JH Petrol !

JUNHUA I&E Co.,LTD(JH) was launched from Dongying,China, as a supplier specializing in Oil&Gas industrial.Our businesses are comprised of Drilling Equipments,Drilling Tubular/Tools,Oilfield Fuild Material,Artificial Lifting Device, Stimulation Equipments,Chemical etc.