六玄网132022-六玄网服务器-六玄网132423-六玄网38744-六玄网04424The heat preservation board production line of the flexible PU and phenolic aldehyde surface has diversified and multifunctional production characteristics, which may produce products with different specifications such as PU, PF, PIR, etc. The surface material may be aluminum foil, colored steel, cement base cloth, kraft paper, non-woven fabrics, etc. The products are widely applied to such occasions as construction, decoration, pipeline ventilation, subway construction, etc.