Drilling Rig use Interlocking Kelly bar / Friction Kelly bar  

Kelly bar is a very important part for rotary drilling rig, because its quality directly affects the work efficiency by transferring up pressure to the down drilling tool. Our patent product(No.ZL2012 2 0161611L0) is a mix type of interlocking Kelly bar and full interlocking Kelly bar and can be variety kinds of match style, Which can be perfectly adapted to complicated geological conditions.

AS a leading pioneer of China construction machinery industry association for years, JIETAI has been granted dozens of utility model patent by China State Intellectual Property Bureau, which plays an important part in the field of foundation engineering for the research and development. For example, one of our patents (No.ZL2012 2 0161611L0) is a mix type of interlocking Kelly bar & full interlocking Kelly bar and can be variety kinds of match style, Which adapt to complicated geological condition requirement and has been widely used in the actual construction process and support the Bauer, IMT, Soilmec, Mait, LIEBHERR, XCMG, SANY, Lovol, Yutong , CSR,Sunward etc.

We take the pursuit of excellence as our enterprise concept and do intention and work hard as our cultural, constantly devote to supply high quality and good service to all customers from 2004 year. JIETAI sincerely hope to have cooperation with your esteemed company and welcome any agency in your local market!