Редуктор скорости стальной коробки передач для буровой установки

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.

1. who are we?
We are based in Shandong, China, start from 2016,sell to Southeast Asia(30.00%),Domestic Market(20.00%),South Asia(10.00%),Mid East(10.00%),Africa(10.00%),Eastern Europe(10.00%),North America(5.00%),South America(5.00%). There are total about 51-100 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
kelly bar,Drilling tools,casings,used drilling rig,drilling spare part

4. why should you buy from us not from other suppliers?
The company has 18 years experience in producing rotary Kelly bar,drill tools and drilling casing.The production of kelly bar has a number of independent research and development patents that use domestic and foreign technology and materials.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW；
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C;
Language Spoken:English,Chinese,Spanish,German,Arabic,French,Russian,Italian