Characteristics This integrated ASB challenge series one-step stretch blow-molding machine performs both preform injection molding and blow molding. These are the smallest economical range of machines in the one-step process. With a compact body they are ideal for small capacity production or a wide range of products, molding small containers, and test shots. Product Shape PET containers in a wide variety of shapes and sizes with containers of other resins including PC, PP. Application PET containers for beverages (fruit juice, tea leaves, mineral water, etc.), edible oils, toiletries, soaps, detergents and containers of other resins including PC and PP.