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DVY International is a specialist supplier of all kinds of rock drilling tools for mining, quarry, oilfield and construction industries and tapered roller bearings based in China. The products are including

-Rock Drilling Accessories and Equipment Drill Bits: normal chisel bits, straight horseshoe bits, chisel bits, cross bits, button bits, t-type bits, x-type bits, retract button bits, drop center button bits, retract cross bits, drop center retract button bits, reaming button bits, coal mining bits, all steel button bits, all steel cross bits, DTH bits, drag insert bits, etc. Drill Rods: tapered shank rods, integral drill steel with bits, round rods, shank rods, Hex. rods, speed rods, coupling impact rods, etc. Coupling Sleeves, Pilot Adapters, Shank Adapters, DTH Hammers, Drill Rigs, etc.

-Crushing Machinery Biological Garbage Decomposition Vanish Machine, Municipal Refuse Disposal System, PLF Vertical Shaft Fine Impacter Series, Cone Crusher Series, Impact Crusher Series, Hammer Crusher Series, Impact-hammer Crusher, Single-stage Hammer Crusher Series, Fine Crained Hammer Crusher, Vertical Spindle Hammer Crusher, Jaw Crusher Series, Double Toothed Roll Crusher, Pendulum Type-Ring Roll Pulverizers, Vibrating Grizzly Feeder Series, Apron Feeder, Double Rotor Impact Breaker, Circular-motion Vibrating Screen, Round Vibrating Screen, Bucket-type Elevator, GX Helix Conveyer, SZF Enclosed Vibrating Conveyer, Belt Conveyer, etc.

-Contractor Tools and Equipment Pneumatic Beaker Hammers, Pick Hammers, Chipping Hammers, Breaker Steel Rods, etc.

-Tri-cone Rock Bits and Nozzles Size from 3 3/8" to 26",

-Drill Pipes and Joints size("):2 7/8, 3 1/2, 4 1/2, 5, 5 1/2; upset type: EU, IU, IEU; grade: G-105, S-135, E-75, wall thickness("): 0.254, 0.280, 0.330, 0.337, 0.361, 0.362, 0.368, 0.449, 0.500

-Diamond Tools Synthetic Diamond Impregnated Core Bits, PDC Core Bits, PDC Anchor Bits, Surface-set Diamond Core Bits, Natural Diamond Surface-set Reaming Shells, Synthetic Diamond Surface-set Reaming Shells, Thin Wall Impregnated Diamond Core Bits, Diamond Saw Blades For Cutting Granite, Diamond Saw Blades For Cutting Marble, Diamond Saw Blades (Dry Cutters, Wet Cutters, Turbo Cutters), Thin Wall Diamond Core Bits (For Accurate Centering), Diamond Grinding Discs, Diamond Glass Block Grinding Wheel, Diamond Glass Cylinder, Diamond Gang Saw, Diamond Circular Gang Saw, Diamond Drilling For Making Stone and Glass, Electro-pluted Diamond Files and Mounted Points, Diamond Wire Saws, Diamond Segment, Laser-Welded Diamond Blades, etc.

-Semi-finished Products Bit Bodies, The Tungsten Carbide Tips, Middle Hollow Steel Bars, etc.

-Rolling Bearings for Rolling Mills Single Row Cylindrical Roller Bearings, Double-row Cylindrical Roller Bearings, Four-row Cylindrical Roller Bearings, Multi-roll Cold Rolling Mills Backing Bearings, Deep Groove Ball Bearings, Double-row Angular Contact Ball Bearings, Thrust Ball Bearings, Four-row Tapered Roller bearings (Metric and Inch Sized ), Double-row Tapered Roller Bearings (Metric and Inch Size), Four-row Tapered Roller Bearings with Integrated Seals, Tapered Roller Thrust Bearings, Spherical Roller Thrust Bearings, Double-row Spherical Roller Bearings, Cylindrical Roller Bearings for Sheaves,etc.

We have wide channel for product resource and keep close relation with most of the main manufacturers in these industries in China. This could help us to be able to get the products with lowest in a very short time from the manufacturers. Furthermore, most of the manufacturers related to us have been ISO certificated and the products are produced under the testing and inspection according to the international standard. In addition to, our producing cost is low which effect the price to be low. Therefore, we could promise our clients reliable quality with most competitive price and soonest delivery.