Ningbo Long Rui Machinery Manufacturing Co., Ltd. Belongs to Luoyang City, is a research and development, production, trade in one of the machining, precision casting company. The company has advanced production equipment, machining centers, CNC lathes, lathe, Milling Machine, vertical drilling, radial drilling more than 30 units. Company specializes in the use of sodium silicate and silica sol process, sodium silicate composite process produces carbon steel, alloy steel castings and sand castings. Products wide range of applications. Mainly used in railway systems, construction machinery, cars, trucks, ships, petroleum, mining, agricultural, construction, pump valve, electromechanical, hardware tools, power equipment and other related industries. Product quality and service has won praise and love the user.