Hubei Salnner Vacuum Science & Technology Co., Ltdconcentrates on R&D, production and sales of vacuum insulated tube. It is a professional solar power plant device supplier. Its parent company Hubei Guizu Vacuum Science & Technology Co., Ltd was established in 1994. Guizu is a national high tech enterprise which was committed to stainless steel vacuumproducts at the earliest in China. It is member of Chinese National Solar Thermal Energy Alliance. Guizu owns first solar thermal academician workstation in Hubei Province. Our company currently has 83 patents, while vacuum insulated tube has won 8 national patents including 3 patents for invention and 5 patents for utility models. And it was listed in national 863 research topic about loop system insulation. This technology has filled the blank in this field in and abroad.