Kelly bar manufacturer UNIDRILL factory introduction

Kelly bar is the core product of UNIDRILL factory, we boast the most professional R&D and production team. The core R&D, processing and production personnel are all from the leading enterprises of this industry. With more than ten years of experience in the design and manufacture of kelly bars.

We have provided tailor-made kelly bar and technical services for almost all the well-known brand names of rotary drilling rigs both at home and abroad. Top quality special steel materials, the steel used in this kelly bar comes from the selected materials made by the first-class steel enterprises at home and abroad.

The yield strength and service life are more than doubled compared with the general-purpose products, meeting the rigorous requirements in drilling hard rock and various strata. This is UNIDRILL Kelly bar factory, who is also the first kelly bar manufacturer in China to provide customer with a one-year warranty.