Biotop UK is an exclusive representative of the company of Valley Longwall International in the EU and Kazakhstan markets. Global Drilling Division (VLI Global Drilling) is a market leader in the supply of in-seam directional drilling services and associated technical support services to the world’s underground coal mining industry.

VLI Global Drilling, with it’s headquarters in Beijing, China and its sister company REI with their headquarters in Salt Lake City, Utah, USA are the only group in the world that is designing and manufacturing in seam directional drilling systems, as well as supplying contract in seam directional drilling services and associated technical support across the world’s coal mining industry.

With Contract Drilling Services, Technical Support and Training Services now being delivered across 5 continents and 12 countries and manufacturing facilities established in Australia, the US and China to deliver a range of In Seam Directional Drill Systems, Drilling Tools and Associated Gas Management Products, the Valley Longwall Group is uniquely experienced and positioned to supply turnkey drilling and gas management services opportunities to underground coal mines throughout the world.