Gymnasium rainbow was designed by wuhan bymei gyms and leisure supplies co. Ltd., in collaboration with the global leading new product design company, american businessman ma haonn, to develop a series of improvements and bold innovations based on the principles of aerodynamics based on the arts gymnastics rainbow and the world's premier rainbow product. I'm going to give you a lot of joy in life. As a large industry group focused on emerging and future industries worldwide and integrated with technology research and development, production and marketing services, wuhan bumi gymnasium leisure and leisure, inc., is gradually organizing its activities in the areas of fitness products, it, cultural media, industrial real estate, logistics, etc., and is committed to becoming a new and future industry** in china. Ma haoann international integrator group, inc., united states, located in the heart of the new york business district, was established in 1986 with investments in multiple industrial chains, with multiple international patents and intellectual property rights, large international industry groups that combine autonomous r & d, production, marketing and services, and marketing networks spread throughout europe and america and across the world。