Bull switch is manufactured by China Ningbo Bull Electric Appliance Co., Ltd., a wholly-owned subsidiary of China Bull Group, and headquartered in Ningbo, Zhejiang Province, specializing in the research, development, production and sales of wall switches, sockets and other related products. Bull brand has a high popularity and market share in China market, and it is one of the leading enterprises in the market of wall switches, sockets and other electrical accessories in China.