沃尔核材：CEHS、CELB系列热缩绝缘套管已进入中国商飞供应体系，并应用在C909、C919国产机

Group 1 - The company, Woer Heat Shrinkable Material (002130.SZ), is a leading enterprise in the heat shrinkable materials industry, holding a significant market share in China [1] - The CEHS and CELB series heat shrinkable insulating sleeves have been integrated into the supply system of China Commercial Aircraft Corporation (COMAC) and are applied in the C909 and C919 domestic aircraft models [1]