Hangzhou Flowtecal Automatic Control Valve Manufacturing Co., Ltd., focusing on valve automatic control research and development and manufacturing for more than 10 years, to fulfill the quality of life,quality for the dignity of the quality management purposes, through the ISO9001:2015 international quality system certification, CE certification SIL3 certification and many countries certification by multinational Classification societies.We have obtained a number of patent certificates, such as Utility model patent certificate,Under the guidance of the innovative and realistic concept, the pneumatic, hydraulic and electro-hydraulic series actuators independently developed by the company have won a number of national patents.