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.  

Roller Kelly Bushing

Roller Kelly Bushing for Square or Hex.Kelly There are Pin driven and Square drive type. Pin drive Roller Kelly bushing: Specification 27-HDP 20-HDP 20-MDP 17-MDP square kelly 3 in-6 in 3in-6in 2½ in-5½ in 2½in -5¼in hex kelly 3 in-6 in 3in-6in 3 in-4¼in 3in -4¼in Type Heavy duty Heavy duty Middle duty Middle duty […]


Hexagonal Kelly or Square Kelly,

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

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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.