Horizontal directional drilling machine, instruments and construction technology are mature, and the application is highly popular all over the world. The main trends in technology development are automation and modularization of drilling rigs, hard rock drilling technology, etc. The level of domestic horizontal directional drilling technology is not much different from that of foreign countries. China has become a major producer of HDD Machines. HDD rigs are exported to India, Russia, Southeast Asia, and the Middle East in large numbers.
There are more than ten horizontal directional rig manufacturers and nearly 300 construction contractors. At present, the domestic horizontal rig market is relatively competitive.
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