Hangzhou Flowtecal Automatic Control Valves Manufacturing Co., Ltd, located beside the beautiful West Lake, Our corporation introduces advanced automatic technic and production &management methods from Europe and United States, We are specialized on making electro-hydraulic actuators, gas over oil actuators, submersed hydraulic actuators, pneumatic actuators and complete with all kinds of integrated automatic valves technical service and production. We have a research staff of more than 10 ...