Product Details
The kelly connected to the pile is used for drilling sand and
gravel.
Full lock kelly used with piling rigs for drilling gravel in silt,
clay and sand with lower density.
Friction Kelly is used with piling rigs to drill gravel in silt,
clay and sand with lower density.
1.2 to 6 sections telescopic, depths 15 - 140 m.
2. Torque transmission from 120 - 500 kNm
3.6 actuation keys with large lock slot
4. The damping system of the spring assembly
5. Standardized square kelly driven piles for all drilling tools
Company profile
Langfang Yilunkai Group, whose predecessor is Quansheng Machinery
Plant (founded in 1992), is established in July, 2006 with 10
million RMB of total registered capital. The Group owns 3
subsidiaries,which is Langfang Yilunkai Foundation& Engineering
Co., Ltd,Tianjin Jinyiyuan Heavy Machinery Manufacturing Co., Ltd
,andLangfang Yilunkai Mechanic & Electronics Technology Co.,
Ltd.Tianjin Jinyiyuan Heavy Machinery Manufacturing Co., Ltd is
blessed with geographical advantage as it is located in the
Beijing-Tianjin-Hebei region .It mainly manufactures three series
of productions, which are:
A. Rotary drilling tools;
B. casing of casing rotator and Rotary drilling, grab bucket;
C. Rotary drilling kelly bar Currently.
Company Profile
Tianjin Jinyiyuan Heavy Machinery Manufacturing Co., Ltd.: Mainly
produces rotary drill pipes, full follow-up casings, pipe jacking
machines, pipe rolling machines and various casings in the
full-rotation industry. Chengdu, Guiyang branch company mainly
sells and maintains a series of drilling tools and drill pipes.

Tianjin Jinyiyuan Heavy Machinery Manufacturing Co., Ltd. is
affiliated to Langfang Yilunkai Group Company. Langfang Yilunkai
Group Co., Ltd. was established in July 2006 (its predecessor was
Quansheng Machinery Processing Factory and was founded in 1992). It
has 3 subsidiaries, 2 branches, 2 offices, and a total registered
capital of 5000 Ten thousand yuan. The company has 718 employees,
including 89 professional and technical personnel and 48 senior
titles. The company has a large number of advanced production
equipment, has a strong production flow and strong foundation
construction capabilities, the current production and operation of
fixed assets have reached 1.2 billion yuan.

The company's main business:
1. Rotary drilling tools series.
2. Follow up with casing and punching grab series.
3. Rotating drill pipe series. The company adheres to the concept
of "quality first, reputation first, customer first", scientific
management, standardized operation, continuous improvement, and
customer satisfaction.

