My company is specializing in manufacturing of materials and tools for mining for many years. Now, we have exported our products to many courtries and won a very good reputation from all of our customers. So we are quite sure that the equipments will meet the requirement of you. We can produce: A) High pressure DTH hammer 1) 3. 5 hammer, shank: DHD3. 5 2) 4 hammer, IR DHD340A / SD4 / COP44 shank 3) 5 hammer, IR DHD350R / SD5 / COP54 shank 4) 6 hammer, IR DHD360R / SD6 / COP64 / QL6 shank 5) 8 hammer, IR DHD380 / SD8 / COP84 shank B) Low pressure DTH hammer BR1, BR2, J60, J80, J100, J150, etc. C) also can produce the DTH bits suitable for above DTH hammer and SD12 shank DTH hammer. The biggest size we have exported is 330mm for SD12. D) ODEX system Odex 115 system Odex 140 system Odex 165 system Odex 190 system Odex 230 system Odex 240 system