Group 1 - Wenzhou Hongfeng Electric Alloy Co., Ltd. and its subsidiary Zhejiang Hongfeng Copper Foil Co., Ltd. have recently received utility model patent certificates from the National Intellectual Property Administration [1] - The patents include "an adjustment device for the induction coil of an induction welder" and "a conductive device for a foil-making machine" [1]

Core Viewpoint - Wenzhou Hongfeng has announced the receipt of two utility model patent certificates from the National Intellectual Property Administration, indicating advancements in their technology offerings [1] Group 1: Patent Details - The patents awarded are for "an adjustment device for the induction coil of an induction welder" and "a conductive device for a foil-making machine" [1]