In order to manufacture different kinds of reinforced Expanded (flexible) graphite yarns to be used for making different kinds of braided expanded graphite packing. We use expanded graphite as basic material. Mixing with natural fiber, synthetic fiber. Metal alloy wire (respectively) and proper binding agent. Then through specially designed technological process. The braided packing made of these expanded graphite yarns reinforced with dinerent kinds of fibers and metal alloy wires. Are suitable for sealing under different media. Circumstance. Temperature and pressure. Funthermore, For using these products under severely corrosive circumstance upon the demands of customers. Inhibitors of corrosion can be added into the graphite yarns for making the properties ot the graphite sealing parts more perfect.