1.guarantee wire roundness, smoothness 2.high wear-resistance 3. good durability 4. high efficiency The materials of our Polycrystalline shaped mold are from the U.S.GE, Sumitomo, domestic polymer polycrystalline, CD,CVD,CSD,CXD and common polycrystalline and so on. We would choose different polycrystalline materials according to different drawing materials to guarantee its long performance life, lower the cost of ownership. Packaging Detail: Export standard package,Packaging DetailLgenerally) five,with a pack of wrapping pape,reoccupy cardboard,finally is plywood,also according to the negotiation