During Liyang 2017 staff science & technology innovation competition, ZHENG CHANG SPHG8000C raw material extruder won the Liyang staff top 10 scientific & technology innovation prize.

The campaign is organized by 7 departments such as Liyang general trade union and Municipal Science and Technology Bureau, etc. It was selected by trade unions at all levels in the city, and through a series of strict preliminary evaluation and review procedures, to identify the final top 10 staff science & technology innovation achievements. The 10 achievements are innovative achievements made by the employees promoting the development of the industry, and with higher recognition and influence.
SPHG8000C raw material extruder was invented by ZHENG CHANG in 2016, suitable for processing raw materials like corn, soybean, soybean meal. It can be also used for the extrusion and detoxification of oil cake, the extrusion of keratoprotein of feather and the treatment of other materials. By expanding the raw materials at high temperature, we can extend the storage time of raw materials, increase the digestibility of animals, save feed, and reduce the cost.

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