Impregnated diamond core bit manufacturer
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About Us

COMPANY PROFILE

Changsha Drilling Machinery Co., Ltd. (Changsha drilling) is a professional manufacturer of drilling rig and tools, Changsha has established technical cooperation relations with Central South University and China University of Geo-sciences
We are a collection of scientific research, processing and sales business. Our products are widely applied to the geology, water, electricity, metallurgy, mining, coal, and railway, roads, buildings and building materials. We received high praise for our high product quality and liable services...

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