Product Details
Beijing Jietaihongli Technology Co.,Ltd
Damping spring is the accessories of the kelly bar parts. the function is to protect the kelly bar and damping , the material is 60Si2Mn .
It is easy to break during using kelly bar .
Different kelly bar is matched different Model ,such as :
45*330*400
55*390*400
50*400*410
55*420*420
70*480*480 .etc
Can supply spring based on kelly bar size or customized type.
(as different machine)
Over the years we focus on research and development of the
production of kelly bars, drill tools, with complete kelly bars
fabriction and testing equipments, as well as we own professional
research , design, sales and after-sales service team. Our company
has a number of self-developed patented products, matched with
domestic and abroad brands such as SANY, CRRC, XCMG, Bauer,
Soilmec, IMT and other brand rigs , exported to Southeast Asia, the
United States, Russia, the Middle East and other countries.
Company Profile
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.