Gujian drill rod belongs to Jiangyin Jiangnan Heat Treatment Co., Ltd. It can produce various types of hydraulic crushing hammer drill rod by using its own professional heat treatment advantages and complete advanced equipment, and set stricter enterprise standards on the basis of national standards. It can also produce different types and qualities of drill rods according to the materials produced by different technological processes of different steel mills to meet the diversified needs of customers, and break the passive situation that domestic high-end drill rods rely entirely on imports, thus filling the gap in China. And with high performance price ratio, product quality meets the real needs of customers.