|HUANJE offers square and hexagonal kellys, and are available up to 54 feet long. Our kellys are made from 4145H modified alloy bars that are quenched and tempered full length.|
Q1. Do you have any convenient inspection method for the Kellys in case of customs inspection?Cat hole can be made on the top of the scabbard.
Q2. What is your after-sales service process?When the products are delivered, we provide customers with after-sales service manual, which describes the after-sales process in detail. We provide after-sales service strictly in accordance with the regulations.
Q3. What types of Kelly can your company produce?Square and hexagonal, we have produced tri-kelly for Indian customers in water wells drilling.
Q4. How do you strengthen the service life of Kelly?We can strengthen the mechanical properties of the easily worn parts of the kellys, to improve its wear resistance and prolong its service life.
Q5. I Do you have patents for kellys?We have utility model patent certificates for super large size Hexagonal Kelly, high torque resistant Tri-Kelly, a kind of Square Kelly with wear-resistant layer.
petroleum drilling service Kellys