Beijing Tidelion Company adheres to the route of independent innovation, stretches its business of raindrop control and integrated use to such sectors as building are community, city greening and square, road and bridge, city river system, facility agriculture and so forth and leads the advancement of raindrop resourcing industry in China. In the meantime, as one of the earliest practitioners engaging in sponge city building field, Tielion preceded others in becoming a pan-industry-chain service provider of sponge city building on ‘planning and designing, construction and management, pan-industry coordination, maintenance and upkeep, and investment and financial services’.