Most of dustpans are made with soft edge to capture more dust, which touches floor closely. The plastic material of main body for dustpan generally is PP, soft edge is TPE or soft PVC. In order to save investment each machines and molds, the conventional dustpans are molded with PP at the first injection, then made over molding with TPE or soft PVC at the second process. Now, all the production costs are rising up, including labor cost, rental expense, plastic material and so on. Moreover, the output is less and defectives are higher for making 2-step injection molding. Double components injection molding in one step become more popular.