Beijing Jietaihongli Technology Co.,Ltd
Kelly box is kelly bar drive head and upper fitting, which is used to joint the drilling bucket or auger. usually, it contains few types : 130x130; 150x150; 200x200 sany type ; and 200x200 bauer type ; 250x250
Feature :
1. kelly box size can be manufactured as per customer demand
2. The material is used 35CrMo .
3. high strength and special heat treatment .
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.
We are manufacturer fro piling rig kelly bars and spares for more than 17 years old.
We have two stocks located in Beijing and Shandong ,we can supply timely service.
