6 Utility Patents
#71 in Qinhuangdao
#22,360 in China
#695,828 in the World
Forward Citations = 0
Company Filing History:

Hongqisheng Precision Electronics (qinhuangdao) Co., Ltd.
Qing Ding Precision Electronics (huaian) Co., Ltd
4. 1 out of 42
where one patent can have more than one assignee
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