Q345B Friction Kelly Bar Casagrande B170 B180hd Yellow Coler BG15V

Kelly bar is the key part of a drilling machine, and its quality directly affects the performance of the whole machine. Based on the rich manufacturing experience and by absorbing the advanced technology both at home and abroad,

We have 2 types kelly bar, interlocking and friction. The kelly bar length depends on actual needs of customers or the drilling machines' parameters

Changsha Golden Drilling Machinery Co., Ltd. Was founded in the central city of the capital of construction machinery - Changsha, Hunan in 2008 .Our Main Products : Rotary drilling rig & Drill pipe, Rotary drilling bit、Tooth、Pick wire rope、Pipe、Casing and other accessories. It is a high-tech enterprise specialized in the design, production and sales of rotary drilling tools.

We have own a modern processing workshop 4000 square meters and various large-scale processing equipment  and robot welding workshop . We has been got the international ISO9001 quality system certification、ISO14001 environmental system certification、ISO18001 safety management system certification。Also the producing line has implemented the 7S management specification and office execution ERP management system. We are a supporting supplier for major domestic manufacturers and also as a Internationally designated supplier.And We are a leading manufacturer of rotary drilling tools in China. We has Established offices in Guizhou、Yunnan、Guangdong、Guangxi and other provinces or cities. Also our products has been exported to Japan、Russia、Indonesia、Brazil、Vietnam、Cambodia、Singapore、Europe and other countries and regions.

We continues to develop under the leadership of a group with young and hard-working teams.Our principle of cooperation as "reputation first, mutual benefit and common development",

And the service oriented as "Gold service, diamond quality", And the purpose as "Create value for customers" .“ Future looking forward our all Golden Drilling People Create more value