Company Profile

  • DHTT(DeHang Trenchless Technology) has specialised in the development and manufacture of horizontal directional drilling rigs 10+ years.The headquarters of enterprises is located in the important strategic intersection of "one belt and one road" - Yancheng, China.

  • DHTT has advanced processing equipment and rig assembly line.The 80,000 square meters modern production area, scientific management mode and quality inspection system lay a solid foundation for the production of excellent HDD products.

  • We have developed a number of innovative products and core components,leaded to built a research and development platform for Dehang heavy industry.DHTT has more than 20 patents that have been authorized. Therefore, the construction efficiency of the horizontal directional drilling machine is effectively improved, and the success rate of the construction is greatly improved.

Qualifications and Patents

  • Association Member Certificate of ISTT&CSTT &China High-tech Enterprise Certificate
  • China Petroleum Access Certificate
  • Quality Management System Certificate of Conformity
  • Environmental Management System Certificate of Conformity
  • Occupational Health and Safety Management System Certificate of Conformity
  • Patent Certificates


We have a long-term relationship with quality suppliers, we work together to develop more practical and reasonable solutions, and we also have a stable customer base. It is the companionship of these partners that makes DHTT equipment more efficient and stable. The length is limited, and some of them are listed below, ranking in no particular order.
Product Catalog