... in 1996. Topband was listed in Shenzhen stock change on July 2007, became the first listed company in intellectual ... of 50,000 square meters of Topband Industrial Park.Topband focus on the research and development of household intelligence controller, Brushless ... ,Hair, TOSHIBA,Blueair, etc. Our motor and controllers can used on the home appliance, Medical equipment ,machine, tools, electric bicycle, ...