SHANGHAI, Apr 18 (SMM) – Guangdong Guangding Mining Group's exploration project of rubidium, tin ore in the Tiantangshan mining area was identified as a key project for the Guangdong province in 2019, according to a release by the Provincial Development and Reform Commission at the end of March.

The rubidium, tin polymetallic deposit in the Tianshanshan mining area has a reserve of 175,600 mt, said experts from the China Mining Association. It has a resource value exceeding one trillion yuan.