Well Shin Technology Co., Ltd. manufactures and sells power supply wirings. Its major products include AC extension cord, traveler kit, power supply cord set, molded plug, wiring harness, power adapter, IoT home automation products, locking cord, universal adapter, international socket, plug connector, PVC wire, molded connector, rubber wire, and cable. The company was founded by Jui Shiung Wu in 1986 and is headquartered in Taipei, Taiwan.