Our personnel are always in the spirit of "continuous improvement and excellence", and with the superior quality products, favorable price and good after-sales services, we try to win every customer's trust for Reverse Circulation Hammer Bit, Dth Hammer Bits Manufacturers, Quarry Rock Drill Bit Supplier, China Dth Hammers,China Rock Drill Rod Factories. Never-ending improvement and striving for 0% deficiency are our two main excellent policies. Should you need anything, never be reluctant to speak to us. The product will supply to all over the world, such as Europe, America, Australia,Dubai, Pakistan,British, Brisbane.We have more than 200 staff including experienced managers, creative designers, sophisticated engineers and skilled workers. Through hard work of all employees for the past 20 years own company grew stronger and stronger. We always apply the "client first" principle. We also always fulfill all contracts to the point and therefore enjoy excellent reputation and trust among our customers. You are very welcome to personally visit our company.We hope to start a business partnership on the basis of mutual benefit and successful development . For more information please do no hesitate to contact us..