Shanghai Wanda Electron Company is located in Shanghai Songjiang Export Process Area where manufacturers swarm. The products mainly includes scrolling billboard,scrolling light box,scrolling signs,etc., which combined with optics, mechanical engineering and electron together and all of them are developed by ourselves, Scrolling light box and billboard sign systems have been moved off in China, Europe , America and so on, and are highly praised by the clients in domestic and oversea, and are in their favour. The company has run in term of ISO9002 International Qulity Authentication System, and regards quality and service as its life...