If you use plastic saucers, boxes or dishes with covers it is in most cases necessary on the ground of product protection to ensure that your product will not be demonstrably opened already during distribution. Our company as one of the few suppliers can offer you a suitable solution also for this case - spot welders or tack welders that by means of thermal or ultrasonic principle ensure connection of box and cover of package. It is possible to project a solution from a manual up to fully automatic one in dependence on series package of your products.