万马股份：公司航空导线等部分产品符合机载和航天设备要求，应用于航空及地面装备等，海底隧道不适用

Group 1 - The company, Wanma Co., Ltd. (002276.SZ), confirmed that its products are applicable in the fields of offshore wind power cables, including insulation layers and smooth semi-conductive shielding materials for submarine cables, which have been successfully used in several major domestic and international submarine cable transmission projects [2] - The products related to submarine cables currently account for a small proportion of the company's overall revenue, indicating potential for growth in this segment [2] - In the aerospace sector, the company produces aviation wires that meet the requirements for airborne and aerospace equipment, although the revenue from this business is also minimal [2]