... 4. factory low price but high quality printed letter paper Our tags 1. Material1. Coated paper(128gsm, 157gsm, 210gsm, 250gsm, 300gsm) ... 200gsm, 250gsm, 300gsm)4. Double-side offset paper(80gsm, 100gsm)5. Grey paper(250gsm, 300gsm, 350gsm, 400gsm)6. Duplex board ... printing and packing machines, such as 5C printing machine, paper cutting machine, die cutting machine, vanishing machine, lamination machine ...