国产精品99精品无码视亚,国产精品人妻无码久久久郑州 ,国产欧美日韩亚洲精品区,国产性天天综合网

Environment friendly flame retardant, used in flame retardant finishing of cotton or polyester fabrics, gives excellent flame retardant effect to the fabric. After treatment, the fabric has no continuous burning and smoldering phenomenon, low volatility, non-toxic, good washing resistance, and can still maintain good effect after repeated washing