BEIJING Prodemo Imp. & Exp. Co., Ltd is a leading and professional rock drilling tools supplier and exporter for many years. By associating with five major producers & manufacturers of rock drilling tools in China and introducing new technologies achievements of rock drilling tools industries all over the world,

We are committed to providing high-quality drilling, cutting and accessories products in quarrying, mining, tunneling, quarrying, water-well drilling, oil and gas drilling, construction and demolition industries.

The main products cover rock drilling tools ( chisel bits, cross bits, button bits ) , DTH hammers, DTH bits, rock drill rods (tapered drill rods, integral drill rods) pneumatic breakers, hexagonal hollow steel, round hollow steel, blast furnace oxygen pipe and furnace tap-hole drill steel.

We integrates all best labor, technologies and materials resources in China, always keeps wide channels for products resources and keep very close and solid partner relations with three Chinese top class manufacturers in these industries, which help us able to get very quality products with competitive pricing and deliver in a very short time.

After many years efforts, now is exporting to Spain, Norway, Finland, Saudi, India , Brazil etc . While, owning to our excellent products quality and competitive pricing, more and more users are enjoying our products and services.

Please contact us for further information and to begin a mutually beneficial business relationship. Look forward to grow the trade relationship together.

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主营业务：
ROCK DRILLING BITS SUPPLY PRESENTATION.


For rock drilling bits, we can offer chisel bits, cross bits and button bits.

Chisel bits are taper connected, the diameter ranges from 20mm to 60mm.

Cross bits can be taper connected or thread connected, the diameter ranges from 28mm to 89mm.

Button bits can be taper connected or thread connected too, the diameter ranges from 32mm to 127mm.

For tapered chisel bits, tapered cross bits and tapered button bits, the taper degree can be 4,6,7,9,11,12,etc.The socket diameter can be 22,24,25,32,38mm,etc.

For threaded cross bits and button bits, the thread can be rope thread or trapezia thread, such as R22, R25, R28, R32, R38, T38, T45, T51, etc.

For DTH bit, Various low pressure and high pressure DTH bits are available，

Low pressure DTH bits diameter ranges from 66mm to 205mm, are used to equip with our CIR series low pressure hammers. Other low pressure DTH bits are available too upon customer''s shank drawing or samples.

High pressure DTH bits diameter ranges from 76mm to 305mm,the high pressure DTH bits are suitalbe to DHD3.5,DHD340,DHD350,DHD360,DHD380, Cop32,Cop34,Cop44,Cop54,Cop64,Cop84,SD4,SD5,SD6,SD8,Mission 40,Mission 60,Numa100,March33,BR2,BR3 hammers.