... resistance, high strength, such as performance, so use pouring steel slide gate, smelting rare metals, special alloy, ceramics, puddling blast furnace ... all kinds of reaction vessel and pipe, chemical pump parts; Do mechanical parts, all kinds of mold, such as wire ... drawing die, crowded pencil refill die nozzle, etc.; Do tool, mould abrasive, bulletproof material, human body joints, seal ...