Nanjing lanshen Pump Corp. LTD., founded in 1958, after 50 years of development, is now a registered capital of 50 million yuan, with assets exceeding 400 million yuan, accounting for area of 280 acres. China's first submersible sewage pump and mixer in the birth and to fill the gap. Currently has a centrifugal pump, switch type electric control, water treatment equipment for mass production of special machines ability to produce its own sewage plant and pumping station for more than 70% of the equipment.