... : 45, 48, 50, 52, 55...80GSM. GSM will be custome-made for bulk production. Technical parameters: Products Jingying Carbonless ... ; 610*860mm; 700*1000mm; 590*840mm... And also be customized. Qualification High surface strength, cannot smear or rub off ... copy image. Application area Tax authorities, government finance, post services, businesses, banks and many other trades and industries. Caliper ...