All Ring Tech Co., Ltd. engages in the design, manufacture, and assembly of automation machines in Taiwan and China. Its products include underfill dispensing machines; FPC, PSA, optical, and ACF mounters; AOI machines, wafer AOI machines, and image measurement machines; loaders/unloaders, ball mount machines, and glue coating/heat sink attach machines; cutting, rotary plating, coil winding, resistor stacking and granulating, and PC rolling machines, as well as power inductor dispensers; and LED sorting, rotary tower sorting, packaging, rolling, CSP cleaving, and dispensing machines. The company is also involved in the research, development, and design of computer software; manufacturing of optical instruments; manufacture and sale of semiconductor, passive component, and light-emitting diode equipment; and offers mechanical engineering automation products. In addition, it engages in the research, development, and manufacture of specialized electronic equipment, testing instruments, and accessories; investment business; and sale of manufactured products and provision of related technology testing services. Further, the company offers electrical appliances and audio-visual electronics, as well as is involved in trading and other machine manufacturing activities. All Ring Tech Co., Ltd. was incorporated in 1996 and is headquartered in Kaohsiung, Taiwan.