1. Los ntawm kev tsim cov khoom thiab kev cais technology, feem ntau yog cov ntawv ceeb toom, yog cov ntawv xov xwm, nws yog tsim los ntawm cov cwj mem, ntaub ntawv, yog tsim los ntawm tsob ntoo kab, ob daim ntawv xev, nws kuj yog ua los ntawm ntoo ntoo, piv nrog rau qhov nqi txhiv, kev ua tsis muaj dej tsis zoo, zoo dua, vim tias nws yuav tsum tau muab ob npaug rau moj khaum; Kraft daim ntawv, yog siv pine rods, lub hauv paus ntawm cov khoom, ntau ntxhib, txoj kev yog yooj yim; muaj cov duab ntawv, ntau tshaj 200 gram ntawm cov ntaub ntawv, hu ua cardboard, cardboard, ntau dua ntawm cov grams, qhov siab dua tus nqi, feem ntau ntxiv 10% mus rau 15%.
2. Raws li daim ntawv grams ntawm kev faib tawm, qhov nyhav ntawm daim ntawv yog hais txog qhov nyhav ntawm daim ntawv ib square meter. Muaj 28 grams, 52 grams, 64 grams, 80 grams, 105 grams, 128 grams, 157 grams, 200 grams, 250 grams, 300 grams thiab li ntawd, cov no yog cov qauv ntawv thoob teb chaws.
Daim ntawv luam tawm, daim ntawv sau, cov ntaub ntawv nrog 28 grams ntawv; Cov ntawv xov xwm luam tawm yog feem ntau 52 grams ntawm ntawv xov xwm, muaj ib lub teeb coated, feem ntau yog 64 grams, nws yog cov tsawg dua pob zeb, tiv thaiv npog, tensile thiab yog li ntawm coated. Coated ntawv, tseem hu ua hnyav txheej, nws anti-wrinkle, tensile kev ua tau zoo dua.
3. Raws li kev cais ntawm daim ntawv, muaj cov qauv kev cai thiab cov qauv thoob ntiaj teb. Kev cai raus dej yog feem ntau yog 787 * 1092 mm daim ntawv, uas yog, peb nquag siv 8K, 16K daim ntawv; Thoob ntiaj teb tus qauv yog 889 * 1194 mm, dav dav, uas yog, A4, A3.