DTH Hammer And Bit

On 18 Aug 2006 00:33:37 -0700, [email protected] wrote:

>We, DVY INTERNATIONAL, are one famous specialized supplier and exporter
>for rock drilling equipments in China. Our products mainly cover the
>following catalogues:
>--DTH (down the hole) hammers and bits & ODEX;
>--Diamond core drilling tools: diamond core bits, reaming
>shells/reamer, reaming tools, core barrel, casing shoe;
>--Top hammer drilling equipment: button bit, chisel bit, cross bit,
>tapered bit, thread bit, integral drill rod, tapered rod, striking bar
>shank adaptors, extension rod, drifter rod, paving rod, pick rod,
>coupling sleeves, M/F speed rod, roller bit, rock bit, quarrying, and
>mining equipments;
>--Rock drills: air-leg (jack-leg) rock drill, pneumatic rock drills,
>hand-held rock drill, internal combustion rock drill, motor-driven rock
>drill, open cast, open pit, surface and underground mining/quarrying,
>pick hammer tools, tunnelling equipment ;
>--Drag bits: 3-wings, 4-wings, step type and V-type.

Guess this must be directed at people working with Rock Maple?




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