JiaChen mould department has achieved many car bumper projects. We use advanced 2D&3D software for building complex surface plastic products. During the process, we select the most suitable machining equipments and machining methods in order to get excellent mold body. The appropriate hot runner system guarantees even melting flow filling in the mold, and also yields less plastic waste. Mover over, to meet different machining and the life of the mold request, number of high quality mold steels are used to build different parts of the mould.