Bringing Mining Back to Britain. Tungsten West plc is an AIM listed (TUN) UK company who own and operate the Hemerdon Tungsten Project in Devon, England. A positive feasibility study for Hemerdon was completed in March 2021 that provided a basis for successful financing and AIM listing in October. Currently the company is undertaking the partial rebuild of the Mineral Processing Facility and Operational Readiness project to re-commence production in 2022.