HJ/HJT Series Rock bits
METAL SEALED Rock BIT WITH JOURNAL BEARING
HJ/HJT series Rock bit adopts metal seal with journal bearing, which can drill stably with high rotary speed.
The size range of HJ/HJT series bit is from 7 1/2 to 18 7/8 inch, and IADC varies from 117 to 547.For example:8

HJ/HJT TCI tricone bit
METAL SEALED tricone BIT WITH JOURNAL BEARING
HJ/HJT series tricone bit adopts metal seal with journal bearing, which can drill stably with high rotary speed.
The size range of HJ/HJT series tricone bit is from 7 1/2 to 18 7/8 inch, and IADC varies from 117 to 547.For

Detailed Product Description


1.ISO9001,CRCC
2.patent
3.16 years professional experience
4.first level


Special blade milling machine

Application

Special blade milling machine of hollow drill used in all specifications of rail drilling machine



Feature

Simple operation

Detailed Product Description


1.ISO9001,CRCC
2.Patent
3.16 years professional experience
4.First level


NZG-32.internal-combustion rail drilling machine

Application

Special tool for processing bolt connectors or electrical wiring holes on railway rail radials

Detailed Product Description


ZG-31 Electric Rail Drilling Machine
1.ISO 9001
2.Patent
3.16 years professional experience
4.First level sup


ZG-31 Electric Rail Drilling Machine



Application:
Special tool for processing bolt connectors or electrical wiring holes on railway

Detailed Product Description


ZG-31 Electric Rail Drilling Machine
1.ISO 9001
2.Patent
3.16 years professional experience
4.First level sup


ZG-31 Electric Rail Drilling Machine



Application:
Special tool for processing bolt connectors or electrical wiring holes on railway

Detailed Product Description


NZG-3II Internal-Combustion Rail Drilling Machine
1.ISO 9001
2.Patent
3.16 years professional experience
4.First level sup


NZG-3II Internal-Combustion Rail Drilling Machine



Application:
Special tool for processing bolt connectors or

Detailed Product Description


1.ISO9001
2.CRCC
3.without the emission of noise and exhaust air
4.Simple operation
5.patent


QG-4 Electric Rail Cutter



Application:
Make the rail cutting operations in factory building and power-supplied environment.



Feature:
1.Motor

Detailed Product Description


1.Gasoline driven,
2.strong adaptability
3.Small volume
4.ISO9001
5.patent


Internal-Combusion rail cutting machine/NQG-5

Application:
Special tool for cutting off rail in railway construction, maintenance or emergency construction.

Detailed Product Description


1. gasoline engine rail cutter
2. portable
3. high efficient
4. ISO9000, CRCC
5. Good quality, reasonable price


Application:
Special tool for cutting off rail in railway construction, maintenance or emergency construction.



Feature:
1.Gasoline

The tensiometer is mainly to test surface tension of all kinds of liquids just like warter,oil liquid chemicals and so on.It is widely used in the petroleum,chemical industry,research department and university. This instrument is composed by platinum ring,torsion wire,defferential transformer and

1.Model HBRVS-187.5 digital Brinell ,rockwell and vickers hardness tester with intuitive LCD and singleclip control system, makes hardness testing be automately operated.
2.The machine builted-in printer to record the main technical data of the entire testing process.
3.In addition to manual