Shanggong Shenbei Group Sewing Machine Branch (SMBU Business Unit) is mainly engaged in the research and development, production, and sales of industrial sewing equipment and household sewing machines, with core enterprises such as Germany's Dukepu Aihua Co., Ltd., Germany's Baifu Industrial Systems and Machinery Co., Ltd., Shanggong Sewing Machinery (Zhejiang) Co., Ltd., Shanghai Shanggong Butterfly Sewing Machine Co., Ltd., Shanghai Butterfly Chain Clothing Digital Technology Co., Ltd., and Shanghai Butterfly Intelligent Manufacturing Information Technology Co., Ltd., and provides clothing intelligent manufacturing capacity sharing platforms and digital service solutions. The industry mainly covers the traditional fields of clothing, luggage, leather shoe processing, and the automotive industry.