UACJ Corp. engages in the manufacture and sale of flat rolling, casting, forged, and precision-machined products of nonferrous metals including aluminum, copper, and alloys. It operates through the following business segments: Flat-Rolled Aluminum Products, Wrought Copper Products, and Precision-Machined Components and Related Business. The Flat-Rolled Aluminum business segment manufactures and sells flat-rolled products of aluminum, foil products, extruded products, cast products and forged products. The Wrought Copper Products business segment provides copper tubes, copper alloy pipes, and fittings. The Precision-Machined Components and Related business segment handles the manufacture and sale of metal processed products such as aluminum and copper. It also deals with civil engineering work contracts, and cargo transportation. The company was founded on December 10, 1964 and is headquartered in Tokyo, Japan.