... Product Description1.EPS and rock wool sandwich panel forming machine 2.CE CERTIFICATE 3.High speed wall panel roll ... in just one-time, and the Corrugated Roll Forming Machine and the Sandwich Panel Laminator can work independently. The ... and pressurizing system, sandwich, flat curling, edge rolling, edge-turnover, grooving, edge-trimming device, pneumatic clamping device, automatic plastic film ...