Carbon fiber products are with high specific strength, good x-rays penetration , and good biocompatibility, corrosion resistance, wear resistant. They are used for medical purposes for artificial bone, artificial joints, prostheses and so on. They are used for infrastructure construction and building materials, electronics, communication equipment, sports equipment and so on. Features: 1, light weight, high strength, wear resistance, corrosion resistance, heat resistance, high elasticity, electrical conductivity, excellent of x-ray penetration, and so on. 2, content of carbon fiber 75%, outer diameter tolerance of plus or minus 3C, ellipticity of plus or minus 2C, length 60cm linearity in shredded up to 15C. Application: It is widely used in model aircraft, stationary and sports equipment, specifical kite, medical devices, military equipment and so on.