ï¿½ Shenzhen Langdai Industrial Development Co. ltd is established in 2004, Brand as â€œLangdiâ€, with registered capital: RMB5Million, and the office areas seized on 500m2 and manufacture base for 15000m2, and set a professional design company in Shenzhen hi-tech park, it is a collection of production, research and development and marketing as a whole large-scale modernization of private enterprises.