... bowl, with good quality ZH-B paper bowl forming machine is developed on the base of absorbing the advanced ... as follows: automatic paper feeding, one step pre heating, sealing, oil silicon lubrication, bottom punching, two step bottom heating, ... 50oz (mold exchangeable)Raw MaterialOne-side PE(polyethylene) film coated/laminated paperOr two side coatedSuitable paper weight240-300gsmRated Productivity30- ...