DTH Hammers are faster, more service friendly and longer lasting, compared with most drilling products in the market. The optimal performance of DTH Hammers includes: 1. Longer service life 3. Low energy consumption Effiency increase by 20%-30%, which means the higher drilling output will deliver maximum profit for you. DTH Hammer Types coverage: DHD/COP/HD/IR/TD/COPROD/QL/SD/Mission/Numa/Mach etc. DTH Drill Bits can even meet the hardest conditions, offering optimal solutions for drilling. The optimal performance of DTH Drill Bits includes. The best hole quality and the most meters drilled per hour make the lowest production cost possible. DTH Drill Bit shank coverage: DHD/COP/HD/IR/TD/COPROD/QL/SD/Mission/Numa/Mach etc. All our products, which passed ISO9001 quality management system, are widely used in open pit mining, tunneling, quarrying, transportation construction, engineering, earth-rock excavation, water wells, pile foundation, and civil engineering project etc. We are one of the companies which have the most complete product lines, the most abundant species and the most widely usedproducts in drilling industry.