双欣环保(001369.SZ)：目前公司尚未与航空航天或卫星材料企业有业务合作关系

Core Viewpoint - The company, Shuangxin Environmental Protection (001369.SZ), has clarified that its PVB functional film is primarily used as an interlayer in laminated safety glass manufacturing, applicable in automotive, high-rise buildings, aviation, and maritime sectors. Currently, the company does not have any business partnerships with aerospace or satellite material enterprises [1]. Group 1 - The PVB functional film is utilized in laminated safety glass manufacturing [1] - Applications of the PVB film include automotive, high-rise buildings, aviation, and maritime sectors [1] - The company has no existing collaborations with aerospace or satellite material companies [1]