Customized Name Plates,Metal Name Plate,Custom Desk Name Plates,Metal Desk Name Tags Ningbo Best Channel Import & Export Co., Ltd. , https://www.nbbtc-metal.com Mineral reserves refer to the ore deposits confirmed by geological exploration work, accurately or roughly ascertain that its spatial distribution, occurrence, shape, scale and quality are in line with the current industrial and technological economic conditions, or the policy allows development and utilization, in a natural state. Resources that are deposited on the surface or underground.