Specifications: all kinds of size can be produced; inner core: pointspaper core and plastic core. Pressure sensitive carbonless paper is coated, pressure resulting from the color of the paper into the paper (with CB, said, 45g), in the paper (with the CFB said, 52g), the next paper (with CF, said, 47g) . Can simultaneously use several in conjunction with 1P/2P/3P/4P/5P layers such that, in addition to the paper and other than under the paper, the middle layers are called in the paper. No carbon paper calculated the average price by $2.16/kg. (1 U.S. dollar equals 6.7051 yuan)