8 Utility Patents
#5,289 in Beijing
#16,448 in China
#519,351 in the World
Forward Citations = 7
Company Filing History:
Beijing Qisheng Science and Technology Co., Ltd.
Jiangsu Hongbao Hardware Co., Ltd.
Beijing Jiaotong University
4. 1 out of 1
Dongxia Datong (beijing) Management and Consulting Co., Ltd.
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