Zijin Mining Group Co., Ltd., a gold and base metal producer, is planning to acquire a 46.5% stake in Fujian Jinyi Copper Co., Ltd., a manufacturer of air conditioners and high-performance inner grooved copper tubes and other copper alloy tubes for refrigeration cooling use, from Minxi Xinghang State-owned Assets Investment Co., Ltd. for CNY93.5 million ($14.4 million).