7 Utility Patents
#55 in Qinhuangdao
#19,102 in China
#597,499 in the World
Forward Citations = 6
Company Filing History:

Hongqisheng Precision Electronics (qinhuangdao) Co., Ltd.
Qing Ding Precision Electronics (huaian) Co., Ltd
where one patent can have more than one assignee
Get your Inventor Badge Today