Xuzhou Shenwei Foundation Machinery Technology Co., Ltd is located in xuzhou city, jiangsu province in China, we are a leading manufacturer of rotary drilling rig Kelly bars in China. Our products are designed by technicians and engineers with many years experience. Our Kelly bar is known for it's high strength, rigid construction, less maintenance and high durability.
We have all kinds of steel pipe, advanced processing equipment and welding equipment, Strict quality control system. 
Our products can be used full torque.
Patent technology specially made six sections kelly bar and five sections interlocking kelly bar significantly improved the rotating drill construction abilit.
We have a lot of finished products and semi-finished products inventory, production cycle is short, fast delivery.