15T 20T 25T 30T 40T 50T Swivel Joint Kelly Bar Tool For BG24 BG36 SR360 XR400 AF180 HR180 piling rig parts

^{_{Swivel is made of metal junction structure, the upper and lower joint part, intermediates and other parts are completely made of high quality forged alloy steel. Going through strict heat treatment after roughing process, then adopts refined processing, which make the swivel with perfect comprehensive mechanical property, strong wear-resistant and long life.}}

Beijing Jietaihongli Technology Co., Ltd., founded in 2004, headquartered in Beijing, branch factory in Shouguang, Shandong. The company is mainly engaged in the production and sales of rotary piling kelly bars , drilling tools, rotary piling rig overhaul, rig sales and accessories supply.

Beijing Jietai Haoli Technology Development Co., Ltd. is one comprehensive enterprise that produces and sells rotary drilling kelly bars ,drilling tools,piling rigs spares and piling rig maintenance.The company established in 2004. The founder has been engaged in after-sales service of drilling rigs and kelly bars such as IMT, SOIMEC, BAWER, and MAIT before the establishment of the company. During this period he accumulated rich experience in kelly bar manufacture and maintenance.The company focused on the research, development and production of kelly bars after establishment. The main kelly bars produced include frictional kelly bars ,interlocking kelly bars and square kelly bars.