Xuzhou Jiuman Machinery Technology Co., Ltd.

Our kelly bar with Q355 and 27 silicon manganese high strength materials, torque can reach 60-400kNw, drilling depth can be 5-150 meters, and adapt to a variety of models and ground conditions, will let your products burst out strong performance! We also have 20 years of professional product design experience, personalized customization needs. Various accessories and professional staff guarantee your after-sales service.