Nanjing Dilong No-Dig Engineering Co., Ltd., a 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 was registered in 1998. Nanjing Dilong No-dig Engineering Co., Ltd. is the earliest specialized private company in no-dig technology development and construction in China.



After long-term experiment and improvement, our machine is qualified to go into the overseas market. Since 2002, we have been selling our machines throughout the whole...