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In 1993, Lianhuashan drilling tool was the first in China to introduce the overall carburizing production process of European thread drill rod, which made the quality of Chinese thread drill rod products achieve a qualitative leap.

2023-06-05

In 1993, Lianhuashan drilling tool was the first in China to introduce the overall carburizing production process of European thread drill rod, which made the quality of Chinese thread drill rod products achieve a qualitative leap. As of 2021, Lianhuashan drilling tools have achieved production and sales of thread drill rod products for 20 consecutive years, and the export volume ranks first in the same industry in China.


Lianhuashan drilling tools, founded in 1969, is the former Ministry of Machinery Industry of China and the key unit of China Nonferrous Metals. It is a professional rock drilling tool manufacturing enterprise.

2023-05-31

Lianhuashan drilling tools, founded in 1969, is the former Ministry of Machinery Industry of China and the key unit of China Nonferrous Metals. It is a professional rock drilling tool manufacturing enterprise.


Product Name: Reaming bit

2023-03-31

Product Name: Reaming bit Product model: ZQK178G/76-T45 Product parameters: diameter 178mm, guide diameter 76mm,T45 thread


Threaded column tooth drill high quality alloy column tooth, high standard special steel, advanced hot insert tooth fixing process

2023-03-23

Threaded column tooth drill high quality alloy column tooth, high standard special steel, advanced hot insert tooth fixing process


Supporting drilling tool products for driving rock drilling jumbo

2023-03-12

Supporting drilling tool products for driving rock drilling jumbo 43mm 45mm thread drill bit, H35-4300mm 3700mm drill pipe, T38 Thread Drill Tail.


Taper Tooth Drill, Taper Drill Tool Taper Tooth Drill, Taper Drill Rod

2023-03-06

Taper Tooth Drill, Taper Drill Tools Taper Tooth Drill, Taper Drill Rod


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