Yuyao sitong solenoid valve factory is one of the earliest manufacturers of solenoid valves. More than 20 years of production experience, the "four links" solenoid valve and control instrument has the characteristics of reliable performance, simple control, energy saving etc., are widely used in metallurgy, machinery, petrochemical, textile, printing and dyeing, pharmaceutical, food, environmental protection, scientific research and other industries. Sitong solenoid valve has more than 20 series of nearly two thousand kinds of specifications, suitable for steam, air, oil, water and corrosive medium, strong applicability, a pilot type, straight type, recoil, normally closed, normally open, self retaining, differential pressure, no pressure, and the design and manufacture according to customer's special requirements for. In many years of production and management, we insist on quality first. We are well aware that only by constantly improving the quality of our products and developing new products will we be able to occupy a place in the highly competitive industrial automation field so as to obtain the high praise and continuous patronage of our customers. We will be good products and perfect service pillow, welcome new and old customers.