Zhejiang jinfeng Automation Meter CO.,LTD . is a high-tech private enterprise specialized in producing various electric and pneumatic control valves, control devices and integrating industrial control systems. The products including various electric and pneumatic control valves, control devices, etc. produced by our company are mainly applied in such industries as petroleum, chemical industry, steel, metallurgy, building materials, light industry, electric power, environmental protection, food, ...