Korea Resources Investment & Development, Inc. is a Korea-based company mainly engaged in the development of natural resources. The Company develops rare earths, molybdenum and ferrosilicon used for automobile fuels, stainless steels and petroleum chemical catalysts. In addition, it sells delivered gasoline and diesels to domestic gas stations. It also produces printed circuit board (PCB) surface mount technology (SMT) inspection equipment such as test systems, device test handlers, memory module process systems, automated optical inspectors, three-dimensional (3D) solder paste inspection systems and automated personal information number (PIN) insert machines. The Company produces printers such as laser printers and ink jet printers through its affiliate. It also involves in the provision of rental services for its products.