Tianwei Film: Tianwei Film Company Won the Second Prize of Weifang Patent Award in 2018
In November 2018, the Weifang Municipal People's Government Office announced the 2018 Weifang Patent Award List. The invention patent of Shandong Tianwei Membrane Technology Co., Ltd. with the patent name of "a method to improve the decomposition rate and cycle efficiency in alumina production" won the second prize of Weifang Patent Award in 2018. The patent number of this invention is ZL 201610167080.9, and the patentee is Shandong Tianwei Film Technology Co., Ltd.
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