Nanjing DL No-Dig Engineering Co., Ltd., member of International Society for Trenchless Technology(ISTT)and China Society for Trenchless Technology(CSTT), started the application research of trenchless/no-dig technology in 1996 and got registered in 1998, one of the earliest specialized companies in no-dig technology development and construction in China. The total assets of Nanjing Dilong have reached more than 40 million yuan, more than 300 staffs , a dozen of senior experts with Trenchless Equipment and Trenchless technology. The new manufactory located in Nanjing Lishui economic and technical development district, it covers area of more than 20, 000 square meters. Parts processing, structural welding and rig assembly, three parts of modern production workshop , the annual design production capacity is 400 sets. We’ve got DFM, DF, DL, DDL, four product series , from the smallest micro-drilling of four tons to 400 tons of large-scale rig, meeting the requirements of different construction. With good quality , excellent performance and our service concept “All from the customer perspective” , our products are now available across more than 20 domestic provinces and exported to Russia, Southeast Asia and other countries. In order to provide timely and efficient service for our customers, we established two branches in Guangzhou and Tianjin in 2009, now Nanjing Dilong achieve the target of the covering the country’s major markets. Adhering to the culture spirit of Integrity, Colleagues from all non-excavation work together to create a better tomorrow.