Founded in 1997, it is one of the largest feed processing machinery manufacturers in China, and employs over 3,000 people worldwide. Shanghai Zhanwang Mechanical and Electrical Equipment Co., Ltd. is a feed processing machinery manufacturer located in Shanghai, People's Republic of China. With excellent quality and reasonable after-service, our single-screw and twin-screw extruders have found a great market in more than twenty countries, such as Italy, New Zealand, South Korea, Japan, Vietnam, ...