About Us

Henan LIMING Heavy Industry Science and Technology Co. LTD which mainly manufacture large and medium-sized crushing and grinding equipments was founded in 1987. It is a modern joint-stock corporation with research, manufacturing and sales together. The Headquarter is located in HI-TECH Industry Development Zone of Zhengzhou and covers 80000 m ². Another workshop in Shangjie Industry Park covers 67000 m ². Over the more than 30 years, our company adheres to modern scientific management system, precision manufacturing, pioneering and innovation. Now LIMING has become the leader in domestic and oversea machinery manufacturing industry.

120

million

cubic meters

Industrial chain production base

70

national patents

689sets

national patents

170

Equipment service country

Company Culture

core values of the company

Create Value

Share Value

Observe Order

Respect Value

Service philosophy

Religious, fine, tight, and harmonious

LIMING spirit

Standardization, value, serialization, and differentiation will always exceed our contract

Brand Concept

Create and promote civilization, refine and interpret brilliantly

Business philosophy

Religious, meticulous, rigorous, and harmonious work

Our Global Footprint

Case Scene

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NQ™3, NQTT HQ™3, HQTT PQ™3, PQTT Core Dia. (in) 1.775 2.406 3.270 Bit OD STD (in) 2.965 3.763 4.805 Bit OD RSG (in) 2.980 3.782 4.827 Bit OD OS (in) 3.032 3.830, 3.895 4.950 Hole Volume (gal/100 ft) 36.3 58.3 95.1 Metric Measurement Size NQ™3, NQTT HQ™3, HQTT PQ™3, PQTT Core Dia. (mm) 45.1 61.1 83.1 Bit OD STD (mm) 75.3 95.6 122.0

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02/08/2020  Wireline Drilling Core Drill Bit AQ BQ NQ HQ PQ Sizes / Rock Drill Bits for exploration core drilling. Geocube TSP diamond drill bit for exploration coring . Geocube TSP diamond drill bit for exploration coring. Applications: PCD Core Bits are ideal for geotechnical drilling applications. They are suited for soft to medium hard formations, such as clay, shale, sandstone, limestone, marble ...

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Quality Core Drill Bit manufacturers exporter - buy Wireline Drilling Core Drill Bit AQ BQ NQ HQ PQ Sizes / Rock Drill Bits from China manufacturer. Changsha Changtan Geological Equipment Co.,Ltd. Sales Support Request A Quote - Email. Select Language. English French German Italian Russian Spanish Portuguese Dutch Greek Japanese Korean. Home Products About Us Factory Tour Quality

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Geobor S 146mm wireline PCD drilling bits, View Geobor

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DRILL CORE BIT, Drill BIT, CORE BARREL - Forsun Ultra

Forsun Ultra-hard Material Industrial Co., Ltd is specialized in manufacturing high quality Diamond core drilling products and accessories for geotechnical engineering, mineral exploration and water well drilling etc. Since the company's foundation in 2001, "FORSUN" has been making great efforts to develop various products to meet the different ...

Exploration diamond drilling - Wikipedia

Exploration diamond drilling differs from other geological drilling (see Drilling rig) in that a solid core is extracted from depth, for examination on the surface.The key technology of the diamond drill is the actual diamond bit itself. It is composed of industrial diamonds set into a soft metallic matrix. As shown in the figure, the diamonds are scattered throughout the matrix, and the ...

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Forsun Ultra-hard Material Industrial Co., Ltd is specialized in manufacturing high quality Diamond core drilling products and accessories for geotechnical engineering, mineral exploration and water well drilling etc. Since the company's foundation in 2001, "FORSUN" has been making great efforts to develop various products to meet the different ...

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