300283.SZ
温州宏丰
SZSE · Industrials · C 制造业 · CN
CNY 12.98
−3.28%Aug 6, 2026, 03:47 UTC
Wenzhou Hongfeng Electrical Alloy Co., Ltd.'s application for a private placement of shares was accepted by the Shenzhen Stock Exchange on August 5, 2026.
Source:Jul 20, 2026, 09:44 UTC
Wenzhou Hongfeng received a utility model patent certificate for 'A plug-in component material, plug and socket' from the China National Intellectual Property Administration.
Source:Jul 7, 2026, 09:14 UTC
Wenzhou Hongfeng's subsidiary Zhejiang Hongfeng Alloy Materials obtained a utility model patent for a device for cleaning inner holes of cemented carbide extruded semi-finished blanks.
Source: