Henan Jinzen Rock Drill Tools Co.,Ltd. was professional manufacturer engaged in the designing, producing and has a long history influence of China rock drilling tools. The company is located in Zhengzhou City, East part of Henan Province. It has more than 200 employees and produces nearly 2 million pieces of various types of rock drilling tools. It is a member of China Brazing Steel Drilling Association. The factory-produced (Jinzen drills) brand rock drilling tools are famous brand products and also  a famous trademark in Hubei Province.

The Jinzen Drill bits doubles service life around the world Great versatility, higher penetration rates, straighter holes, longer bit life and lower energy consumption. That's what you can expect from the King-Long Drill bits. An exceptionally versatile series of threaded button bits from 28–152 mm in diameter, made of proprietary grades of cemented carbide throughout. King-Long Drills provides all the the best button shapes (spherical, conical or ballistic) and the required skirt designs (regular or retrac) in order to obtain the best bit for the rock formation in question.

Our service:

Top Hammer Drilling Tools: Tapered Button Bits, Tapered Drill Rods, Integral Drill Rods, Threaded Button Bits, Threaded Drill Steel Rods; Down The Hole Button Bits and Hammers: DTH Low Pressure Button Bits and Hammers, DTH Middle and High Pressure Button Bits and Hammers ,DTH Drill Pipes, Reverse Circulation Hammers and Bits; Hollow Drill Steels for small hole drill rods: H19, H22, H25 H28 Drill Steel Rods; Hollow Drill Steels for long hole drilling rods: R32, R38, R25, T38, T45, T51, ST58/68 and GT60 Drilling Rods.

rock drilling tools is available 24hours, 7 days a week, Our Service Time: 12 months per year as long as you need us. All your inquiry will be highly appreciated, and all your messages or emails will be replied in no more than one day.

Jinzen DRILLS only believe the quality that we saw and tested, and that's what we suggested our clients too.