Weifang Guanyu Machinery Manufacturing Co., Ltd., is a research, development, manufacturing, technology integration and professional services to enterprises. The company mainly produces various types of stainless steel valves, pipe fittings, quick connectors and other products, and undertake all types of stainless steel casting business
       The company has the leading domestic production lines and casting silica sol production CNC machining centers, the use of advanced casting technology, high-tech spectrometer detection techniques, and strict implementation of the ISO9001 quality system standards to quality, integrity-based business philosophy, customer service, dedicated to the society.
    The company's products strictly in accordance with domestic and international advanced standard production, manufacture, stable performance, reliable quality. Products commonly used for drainage, food, petrochemical, power, pharmaceutical and other industries.