群馬精工 Company Profile

Pioneer of cold forging

Gunma Seiko Co., Ltd. has been consistently working on the establishment of "cold forging technology" since its founding in 1968. Among these efforts, our aluminum cold forging, which has accumulated a wealth of technical know-how, is a technology that attracts high interest as a high-quality and resource-efficient product processing method. We will continue to challenge ourselves in creating high-precision products, centered around cold forging technology.