Wenzhou Hongfeng (300283.SZ) announced on September 2nd that its subsidiary Zhejiang Hongfeng Copper Foil Co., Ltd. recently received a utility model patent certificate issued by the National Intellectual Property Office. The patent is titled "A Tension Servo Control Device for Optimizing O-ring Sealing".
温州宏丰(300283.SZ)：子公司收到1项实用新型专利证书
Wenzhou Hongfeng Electrical Alloy (300283.SZ): Subsidiary received a utility model patent certificate.
The translation is provided by third-party software.
The above content is for informational or educational purposes only and does not constitute any investment advice related to Futu. Although we strive to ensure the truthfulness, accuracy, and originality of all such content, we cannot guarantee it.
Hot News
Updated