Shanghai Zhengyu valve factory   

Shanghai Zhengyu valve factory is in Shanghai mechanical industrial system centralized enterprise, located in Shanghai City, Songjiang Jiuting Industrial Zone, covers an area of 5000 square meters, is a high-tech enterprises in research and production, design, sales in the integration of. Enterprises have a variety of mechanical processing equipment more than 100 Taiwan (sets), 5 sets of testing equipment, nearly 300 employees, 10 senior technicians, professional quality inspection personnel 20 all valves before the factory have to undergo a rigorous testing, to ensure the reliability of product quality. ...