Jietaihaoli Group is a professional high tech trade enterprise, located in Beijing City, and branch company is at Shandong ,established in 2003. It is a professional manufacturer engaged in the research, development, production, sale and service of any type of kelly bar & drill tools on rotary drilling rig , and sales any accessories of rotary drilling rig, and exports the used rotary drilling rig. Our company enjoys convenient transportation access. Covering an area of 8000-10000square meters. Our factory is equipped with high-tech complete production lines and operates under strict QC guidelines to guarantee high-quality products at competitive prices. We have 18 years of experience to manufacture drill interlock& friction kelly bar and have a good reputation in this field. During the development ,we communicate with the famous rotary rig company in home and abroad, designing all types of kelly bar, especially the full interlocking pressurizing kelly bar ,which is used to any hard ground. Our products have been successfully exported to different market, such as Southeast Asian, South Asian, Russian and so on. Our products have won praise from customers worldwide.Thus, We always insist on the spirit of " CUSTOMER-FIRST'' and the management concept ''HONESTY, DEVELOPMENT, INNOVATION, PRAGMATIC'', offering the customers with the high-quality products, competitive price and the perfect after-sale service. We could also supply other construction equipment for you. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.