Recently, Dongguan Huadun Electronic Technology Co., Ltd. (hereinafter referred to as Huadun Electronics) has received good ⎝⎛必赢真人娱乐⎞⎠. Its two patents for "mobile phone security gates" have been reviewed and determined by the State Intellectual Property Office and are considered valid.
This year, a domestic company applied to the State Intellectual Property Office for invalidating a number of invention patents of Huadun Electronics. It is understood that the calibration method, test method and system for mobile phone detection (patent number: 201610182859.8), an image display method and device for metal classification (patent number: 201610291906.2), were reviewed by the State Intellectual Property Office for an invalidation request review (No. 41320) and (No. 41974) "to maintain the validity of patent rights.
Huadun Electronics is a high-tech enterprise dedicated to metal identification technology research, product manufacturing and sales, software development and service. It has a number of invention patents and utility model patents in the field of security inspection.
Mobile phone: 18620544106 (same number on WeChat)
Ｑ Ｑ: 571268632
Address: 4th Floor, Building A, No. 49, Xinhua South Road, Xinhe Community, Wanjiang Street, Dongguan City