Generally referred to as a composite machine refers to a composite device in home textiles, clothing, furniture, automotive interiors and other related industries, mainly used for the production of two or more layers of various types of fabrics, leather, films, paper, sponges, etc. Process. Specifically, it is divided into plastic compounding and non-adhesive compounding. The glue compounding is divided into water glue, PU oil glue, hot melt glue, etc. The non-gel compounding process is mostly direct heat-pressure bonding between materials or composite combustion with flame. At present, the national standard for composite machines has been implemented.