Jiangsu Dilong Heavy Machinery Co., Ltd. is one of the professional companies engaged in trenchless technology research, development and product manufacturing in China. The company began to study the application of trenchless technology in 1996, and was officially registered in 1998. It is a member of International Trenchless Technology Association (ISTT) and China Trenchless Technology Association (CSTT).

The company now has more than a dozen domestic trenchless equipment research and trenchless technology experts, the product varieties are DFM, DL, two series of more than ten varieties, from the current compact volume of 4 tons of micro drill to 500 tons of large drill, to meet the construction needs of customers in different working conditions, the product has been spread over more than 20 provinces in China. And has been exported to Russia, Southeast Asia and other countries.