Suzhou Runjia developed new generation micro-foaming injection polyolefin materials with low density. This material has talc filled, glass fiber reinforced and neat PP resin, which can both be used in interior functional parts and leather-grain parts with high appearance request. It has less sink, shorter injection molding cycle time. It can be used in door trim, rear trim, IP front panel trim and IP substrate, etc. The weight reduction is 30% when use coreback injection.