We reinforce the edges of the socket type cold storage panels with large rolled edges, using a wedge-shaped tensioning device for tightening the panel connection, continuous fully automated production, fast delivery, good quality, and good sealing effect, mainly including 50mm socket type cold storage panels, 75mm socket type cold storage panels, 100mm socket type cold storage panels, 150mm socket type cold storage panels, 200mm socket type cold storage panels, 250mm socket type cold storage panels.