... 3.be used the PP and Calcium Carbonate grain or plant fiber, PS, and PLA material. The Onestep extruding ... 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 ...