Yellow Interlocking Kelley'S Bar For Bauer Soilmec Rotary Drills

The core components of the kelly such as square head, drive key and pressure point are all made of imported steel, and have undergone special heat treatment and surface strengthening treatment, which not only has high yield strength, wear resistance, impact resistance, strain capacity, welding performance and corrosion resistance. , and at the same time meet the high reliability requirements of the kelly in the construction of hard rock, large diameter and ultra-deep piles. From strict control of raw materials to multi-layer and multi-step precision welding, we adhere to strict quality requirements. There are standards and monitoring systems in all aspects of kelly production to ensure 100% high standard quality.

​The whole set of kelly bar with light weight, high strength, high linearity of the single section, thin pipe wall, small seam
between sections and good wear resistance of internal and external keys, it greatly satisfies the special requirements of rotary
drilling machine.

Strict selection of steel grade to make sure strength at the max torque.

Senior technical experts provide technical support solutions.

Customized solutions according to customer needs.

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.

The corporation manufactures and processes have a full range of productions. Nearly hundreds of varieties of products are sold to big and medium-sized cities, enjoying praises from experts and top-class giants including China Railway Engineering Corporation, China State Construction Engineering Corporation and China Communications Construction. The corporation’s potential market is huge.With the vision of “Keeping ahead and breaking new ground”, Langfang Yilunkai Group spares no efforts to creating social wealth and winning over greater benefits for the customers. Since its establishment, the Group has been adhering to the principle of “Quality, credit and client come first”. It refined upon the R&D of new products and strictly observed scientific management and standard operation, blazed new trails while pursing diligence and pragmatic, eventually enhanced customer satisfaction through continuously improvement. Through years of perfect management and running, it won its market and grew into an internationally influential group and pioneered in the peer with mechanized manufacturing of high-quality products. With the full-force surging of reform, the realization of a moderately prosperous society, and the blessing of “the Belt and Road Initiative”, Yilunkai Group will seize this opportunity to stride forward to a brighter future.