Shenzhen Qingjian Electronic Technology Co., Ltd. (hereinafter referred to as "Qingjian Electronics"), established in September 2008, is a wholly-owned subsidiary of Bangyan Technology Co., Ltd. Located in the Bangyan Apollo Industrial Park, Yuanshan Street, Longgang District, Shenzhen, and specializes in SMT processing. It focuses on providing a "one-stop" electronic manufacturing supply chain service, encompassing PCB design, PCB board manufacturing, material procurement, PCBA processing, structural design and processing, and complete machine manufacturing. Its products cover various industries and fields such as communication, networking, medical, finance, security, automotive electronics, industrial control, household appliances, and smart consumer electronics.