Shenzhen Topband. 

Shenzhen Topband Co., Ltd. researches, develops, produces, and sells intelligent control system solutions worldwide. The company provides diversified customized solutions for home appliances, tools, industry, and new energy applications. It also offers customized product concepts, design, development, manufacturing, and delivery services for master and power control, motor drive and control, and display control of home appliances; and for electronic controls, motors and batteries, and product forms that comprise controllers, modules, and complete machines. In addition, the company provides products and system solutions, such as inverters, battery cells, battery management and control, battery packs, battery swap cabinets, PACK, and motor controls for communication base stations, household energy storage, motorcycles and tricycles, other special vehicles, new energy vehicles, and Internet of Things. Further, it offers step and servo drives, and control products; and controllers, drivers, and motors used in 3C electronics, robotics, medical and semiconductor equipment, textile and packaging machinery, etc. The company was founded in 1996 and is headquartered in Shenzhen, China.