U lly is a company dedicated to the designing and manufacturing of tailer-made interlocking and friction Kelly Bars for piling rigs in China since 2006. We supply telescopic Kelly Bars for a torque range of 50 to 500 kNm and in length ranges from 6 to 140 m. High-grade materials and special welding process guarantee a high durability and wear resistance of our Kelly Bar, and make us outstanding in the market. We’re the only manufacturer who is proud to announce that our Kelly Bar is 2000 hours guaranteed.