Development process mainly depends Jieshengjishi ancestors in ancient times, after the invention of writing gradually, starting with the bones as writing material. Later it was found, and the use of bamboo and wood (ie Slips) and fine silk as writing material. However, due to fine silk, too expensive, too bulky wood, Jilin carbonless paper, so they led to the invention of paper. According to research, when the Western Han had begun production of paper. But we should also see, although very early invention of paper, but a start has not been widely applied, the government is still using bamboo slips instruments, fine silk silk manuscripts written. To when Emperor Xian, who left primary again DongLai conventional papermaking process has been improved to further improve the quality of the paper. He made the paper white, delicate, soft, dense uniform, bright color, non-carbon paper, paper preferred, non-carbon paper documents, the Bank said, "left Bo paper", especially colored flowers Jianzhi, senior book stationery to on. Copy paper refers to paper for copying. General requirements for neutral, dried, after the elimination of static electricity and dust handling, better flatness, evenness and resistance to pull degrees. Thickness is 70-80 grams, but also thicker as 90-120 grams; format mainly A4, A3,16 open, 8 open, B5, B4 few, there are greater as A2 Tablet copy paper and roll engineering copy paper; color is generally white, Quanzhou non-carbon paper, also a color copy paper. Ordinary copy paper is generally 500 to 1 package, carton packs are generally loaded 4/5 package (A3, B4, and 8K) or 8-pack / 10 packs (A4, B5 and 16K) range; it is a copy paper roll volume packaging. In addition to the copy paper copy as well as a variety of purposes, in print, fax, printing can be used on many occasions copy paper. Therefore, some manufacturers simply to copy paper called a multipurpose office paper. Carbonless paper, Jinzhou Paper, puree carbonless paper provided by the Xinxiang City Jinzhou New Materials Co., Ltd .. Carbonless paper, Jinzhou Paper, puree carbonless paper Xinxiang City, New Materials Co., Ltd. Jinzhou (www.hnjinzhou.com) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, contact: Wang Qiang.