St. Long Sports Equipment Co Ltd is located in Wuyi, Zhejiang Province, China, a beautiful county where is throughout hot springs and Fluorite-rich ores. This company is a professional manufacturer and independent exporter in the field of fitness and leisure wares. Its main products are: Moonjumper, Waterskipper(Waterbird), Slingshot, Flowboard, Adjust Dumbbell. This company has got national patent licenses and European CE quality certifications for several products, and has got patent implementation license for Waterskipper(Waterbird) product which was invented by Inventist Inc., USA, and is the sole manufacturer authoriized in China. This company takes the quality control and high efficient administration system as its own essentials. Moreover, this company possesses powerful capabilitys in R & D and production, has advanced production equipments and perfect testing instruments,