Products and services of Qingdao Lisan Group
Li San's self-developed non-negative pressure water supply equipment has completely changed the disadvantages of traditional water supply methods in China, such as large investment, high energy consumption, serious pollution and large area, and created a new pattern of improving the quality of urban water supply in China with high technology. It is the only enterprise in the water supply industry that has won the honor of promoting new products from the Ministry of Construction. Relying on its strong scientific research and development capabilities, the Group continuously upgrades its products, and obtains more than 200 patents every year, and nearly 300 patents per year. In recent years, the company's products have won "more than a thousand national patents", "four national gold medals" and "eight national key new products". It is a high-tech enterprise with the most patents in Qingdao. Qingdao Lisan Group officially became the exclusive supplier of water supply equipment for Guangzhou 20 10 Asian Games in 2009.