TOONE Shanghai Zhuoyi Electronic Co., Ltd. was established in 1997s and was involved in international trade in 2008s. It is specialized in manufacturing and exporting the automatic products: Timer Switch, Counter, Relay, Solid Sate Relay(SSR) in Shanghai, China. Have you heard Oriental Pearl in shanghai? The TV broadcast has been used our product of model: ZYT12 to control it. The model ZYS11 is also used to control the metro barrier door on NO. 9 METRO in shanghai. I believe you can ...