TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The concentration of nitric acid is 1-20 wt.%. Inorganic acid comprises sulfuric acid (1-60 wt.%) and/or hydrochloric acid (1-37 wt.%). In the step (B), strong oxidizing acid is 1-90 wt.% nitric acid, 1-98 wt.% sulfuric acid, and 15- 95 wt.% hydrogen peroxide solution. Mole ratio of potassium permanganate to sulfuric acid solution is 1/100 to 100/1. Mole ratio of nitric acid and sulfuric acid is 1/100 to 100/1. Mole ratio of potassium permanganate and nitric acid solution is 1/100 to 100/1. Mole ratio of hydrogen peroxide and sulfuric acid solution is 1/100 to 100/1. Mole ratio of hydrogen peroxide and hydrochloric acid solution is 1/100 to 100/1 . Mole ratio of hydrogen peroxide and nitric acid solution is 1/100 to 100/1.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: Organic solvent in step (B) is benzene, toluene, dimethylbenzene, cinnamene, butyl toluene, perchloroethylene, trichloro ethylene, vinyl toluene, ethylene glycol ether, dichloromethane, carbon disulfide, tri-ortho cresol, methanol, ethanol, isopropanol, cyclohexane, cyclohexanone, methylbenzene cyclohexanone, diethyl ether, propane, acetone, methyl ethyl ketone, methylisobutylketone, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, acetonitrile, pyridine, chlorobenzene, dichlorobenzene, methylene dichloride, trichloromethane, carbon tetrachloride, vinyl chloride, tetrachloroethylene, trichloropropane, dichloroethane, N, N-dimethyl formamide, dimethyl sulfoxide, dioxane and/or tetrahydrofuran.    TECHNOLOGY FOCUS - POLYMERS - Preferred Method: The step (A) comprises chemical vapor deposition method, arc discharge method, solar energy method, template method or laser evaporation method on carbon nano tube for producing single-wall or multi-wall carbon nanotube or mixture with any ratio. Glass fiber in step (C) is a one-way long fiber, short fiber, and/or woven fiber cloth. Coupling agent in step (D) is chrome complex coupling agent, zirconium coupling agent, silane coupling agent, titanate ester coupling agent, aluminate coupling agent, maleic anhydride, graft copolymer and/or polyurethane block polymer. Polyimide in step (E) is a thermoplastic polyimide and/or thermosetting polyimide.