三位连襟一台戏，双环系第2家公司上市在即

Group 1 - The Shenzhen Stock Exchange held a roadshow in Seoul, South Korea, focusing on investment opportunities in China, with participation from five companies in sectors like artificial intelligence and new energy [1] - Among the participants, Shuanghuan Transmission was the only listed company from Zhejiang province, showcasing its prominence in the event [1] Group 2 - Shuanghuan Transmission, established in 1980, specializes in manufacturing mechanical transmission gears and components, and was listed on the Shenzhen Stock Exchange in 2010 [3] - The company has evolved from producing motorcycle gears to becoming a key supplier for major automotive manufacturers, including ZF Friedrichshafen in China [3] Group 3 - The company is family-controlled, with the founder's son-in-law, Wu Changhong, serving as chairman, and other family members holding significant shares [5] - As of now, Wu Changhong holds 7.07% of the shares, while other family members collectively control a substantial portion of the company [5] Group 4 - Shuanghuan Transmission's stock price has increased tenfold since 2021, driven by the rise of the new energy vehicle and robotics industries [6] - The company's market capitalization has reached 41.6 billion yuan, ranking second among 72 A-share listed companies in Taizhou [9] Group 5 - In 2020, Shuanghuan Transmission established a wholly-owned subsidiary, Zhejiang Huandong Robot Joint Technology Co., Ltd., to focus on robotics-related assets and technologies [8] - The subsidiary is preparing for an IPO on the Shanghai Stock Exchange's Sci-Tech Innovation Board, aiming to raise 1.408 billion yuan, with Shuanghuan Transmission retaining a 61.29% stake [13]