Product Center
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Wireline core barrels and Overshot
The wireline core drilling tool is a drilling method that directly recover the core without lifting rods. Compared with conventional drilling, it has the advantages of high core rate and high drilling efficiency. Simple structure, sturdy and durable, convenient maintenance, now widely used.¥ 0.00Buy Now
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Reaming Shell
The Reamer has wireline, conventional double and single tube core barrel use, and which can made by TSP, diamond and carbide.¥ 0.00Buy Now
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Circle Wrench
for break the rods and outer inner tube, casing¥ 0.00Buy Now
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Full Hydraulic Wire-line Diamond Core Drill Rigs
为 千米设计的全液压绳索取芯钻机,无线遥控。¥ 0.00Buy Now
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Wireline Drill Rods
the wireline coring system rods, has different thread design, and hardening for theread¥ 0.00Buy Now
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Wireline Diamond Core Bits
Impregnated diamond bits have the widest range of application. They are the most commonly useful bits from medium to super hard formations in the mineral exploration industry. the Hardness and abrasive of the rock formation are the key factors to determine the diamond specifications, concentration and matrix hardness.¥ 0.00Buy Now
About Us
HARGRAND
A manufacturer and supplier specializing in high-quality drilling tools and equipment
HARGRAND was founded in 1998, formerly known as Baoqi Drilling Tool, and developed into Huarui Guanbang in 2011. All kinds of diamond drill bits, composite drill bits, casing boots, reamers, single and double pipe rope coring drilling tools, rope coring drill pipes, casing and other drilling tools, seeker fishing tools, plus clamping tools, pliers, mud materials, winches, mud pumps and drilling machines.
HARGRAND has rich technical experience, considerate service, and has drilling technicians with rich actual combat experience, and communicates with customers in a timely manner to customize services for customers' products. Reliable quality: The company has large-scale CNC lathes, CNC milling machines, CNC wire cutting, computer-controlled high-efficiency all-diamond drill production lines, drill pipes and joints are processed with imported high-precision forming turning tools. All raw materials are never mixed with any falsehood. All steel pipes are made of steel pipe materials from large steel mills and have a warranty. Striving for quality is the unremitting pursuit of HARGRAND people.