Universal HDD is the world leader in manufacturing custom horizontal directional drills, equipment, and tooling. We offer a wide range of boring equipment like drilling rigs, mud systems, underground locating equipment, drill pipes, reamers, tooling and other directional drilling products.
[pdf] • : The said it was monitoring events in Vietnam closely, and urged restraint from all parties. Secretary of State , who is also a former , said the United States is "deeply concerned" that China has placed an oil rig in an area of the South China Sea also claimed by Vietnam, adding that the move was "provocative" and "aggressive".
[pdf] In 1986, Lianhuashan Drilling Tools Co., Ltd. introduced a full set of HYD200 hydraulic rock drill production technology from France Secoma Company and successfully produced China's first hydraulic rock drill.
[pdf] 
