... , 200gsm, 250gsm, 300gsm)4. Double-side offset paper(80gsm, 100gsm)5. Grey paper(250gsm, 300gsm, 350gsm, 400gsm)6. Duplex board ... us 1) Zhejiang Huaxu Industrial Co.,Ltd whose predecessor is Wenzhou Bost Stationery, Co.,Ltd was founder in Nov. 4th, 1997 ... of printing and packing machines, such as 5C printing machine, paper cutting machine, die cutting machine, vanishing machine, lamination machine..... ...