双欣环保：公司产品PVB功能性膜可以用于汽车、高层建筑、航空、航海等领域

Group 1 - The company, Shuangxin Environmental Protection, confirmed that its PVB functional film is primarily used as an interlayer adhesive in the manufacturing of laminated safety glass, applicable in various fields including automotive, high-rise buildings, aerospace, and marine [2]