... use the molding methods (inject, extrude, blowing molding) to make all kinds of plastic products.be widely used in electrical ... helmets, sport shoes, shiny balloons, umbrellas, toys, plastic flowers, plastic crafts, safety signs, building numbers etc.it can be ... of green light-emitting display plastic products, no use of electricity. luminescent plastic resin/photoluminescent plastic resin/glow in the ...