6" 152mm second hand drill collar with good quality condition for water well drilling Product Descriptionoil drill collar 1.Reliable bearing2.reasonable p...
Hf Drill Rod1. High efficiency, long use life, low price2. Application: concrete, granite, marble, refractory materia
Specialisted in producing varies kinds of diamond core barre...
Stainless Steel Casing Centralizer
The casing centralizer is used to centralize the casing in the borehole to ensure the even solidification of cement slurry within the annul...
Metal Piston Valve High Temperature Air Cannon★ Description ★ Air cannon or Air blaster, also known as air flow-aiding machine or bunker dredg...
Coupling sleeves, other name is Coupling, when using rock drills with male shank adapters and a conventional drifter rod, a coupling is requir...
Zhongshi brand Spiral Rigid centralizer has distinguished features:Spiral Rigid Centralizer is a cast steel solid centralizer that is suitable for use in open hole...