... 3.be used the PP and Calcium Carbonate grain or plant fiber, PS, and PLA material. The Onestep extruding machine ... use the PP and Calcium Carbonate grain or plant fiber, PS, and PLA material.Produce starch cutlery, PLA ( ... Polylactic acid, PLA) tableware, calcium carbonate tableware, plant fiber calcium carbonate tableware, PLA (Polylactic acid, PLA) cutlery. To produce ...