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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.

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.

Lianhuashan drilling tool, was built in1969In, it was 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.

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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.

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Product Name: Reaming bit

Previous article

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.

Next

Product Name: Reaming bit

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