2. Rubber floor is made of natural rubber, synthetic rubber and other polymer materials. Styrene-butadiene rubber, high-benzene rubber and cis-butadiene rubber are all synthetic rubber, which are by-products of petroleum. Natural rubber refers to rubber collected from artificially cultivated rubber trees. Rubber flooring has a wide range of applications, such as family balconies, kitchens, living rooms, bedrooms, bathrooms and entertainment places, gymnasiums, training halls, stage rooms, substations, match factories for manufacturing and storing precision instruments, fireworks and firecrackers factories, national defense ammunition depots, anti-skid deck offices of warships, office buildings, nurseries for pedestrian walkways and ship anti-skid walkways in villas, kindergartens, activity centers for the elderly, baths for medium-sized children's playgrounds, swimming pools, massage rooms and so on.

3. Gym is a place to keep fit in the city. Generally speaking, there are complete facilities, comprehensive fitness and entertainment programs, professional coaches to guide and a good fitness atmosphere.