... or pallet packing Specification:-plastic injection mould for vacuum cleaner pipe-ISO9001:2008 OEM service-Cavity:Single- ... 8407,NAK80,SKD61,H134Hardness of steel46~56HRC5Material for Slider ,Lifter and all sub insert use1.2767 HRC6CavitySingle-cavity , ... mould developing, injection molding, most of our products are vacuum parts, fitness equipment parts, Television accessories, computer parts, ...