High strength carbonized fiber packing is mede from imported carbonized fiber. And it is impregnated with PTFE latex, nami level graphite powder or other lubricant. It has strong resistance of high pressure. It has effective heat exchange capacity. It has steady chemical character and perfect wearable capacity. And it has excellent sealing effect. It is apply to high-speed rotary pumps, reciprocating pump, pump, mixer, blender and stern tube. It can also be used for sealing valve, such as autoclave for packing seal. It is widely used in the sealing of mineral oil, weak acid, saline solution, water, saline water, industrial wastewater.