PP jars are commonly manufactured with the injection moulding process. This process is well known for its accuracy and also adaptability. The PP product is fed right into a hopper and heated to the appropriate handling temperature level. Warm is applied to the product by screw shear or barrel http://glassblock12222.blogripley.com/14097356/pp-plastic-jars-and-also-plastic-shot-cups-with-lids