At present several types of printing machines using the following plates: 1 .. 15mm thick steel plate to about 98% of the oil disc printing machine and 18% of the oil cup pad printer to use it. Thick steel plate flatness, easy processing and low cost. Thick steel plate using ferric photoresist, developing the solution of hydrogen peroxide, concentrated nitric acid corrosion. 2 .. 0.25-05.mm 75% of the thin steel oil cup pad printer to use it, thin steel plate flexible, high surface finish, wear-resistant. Printing process and the thick steel sheet steel plate the same general sensitive adhesive pre-coated treatment. 3 .. 0.25-2mm to between 7% resin, oil cup gravure printing machine, and 2% to plate printing machines use oil, resin version, dot reproduction is good, pollution-free plate making, plate making simple. Sensitive adhesive resin pre-coated with nylon intaglio, alcohol developing corrosion. 4 .. a small part of the glass intaglio printing machine gravure use of glass, the effect is also very good use of screen printing gravure coating of glass, hydrofluoric acid. Large printing equipment company 10MMDE1 thick steel plate for the Shenzhen Foxconn, Dongguan Nokia and some other group designated suppliers