High energy costs can really pinch your family. we are working hard to develop new technologies to improve the efficiency of you homes and buildings over the long term, today, there are simple, inexpensive steps you can take to reduce power costs--that is our new new items--power savers. Founded in 1997, Shenzhen WANKE Science&Technology Co., Ltd. is a high-tech enterprise specializing in devoloping, producing,and sale power saver.The company is a member unit of energy-conserving association of Shenzhen; Because quality is with a high reputation, ensured the centre to confirm as "quality, demonstration unit of a pair of guarantee of prestige" of the whole country by the light product quality in China; And has passed ISO9001: 2000 international standard quality system authentication.