Archives

Physical and chemical properties and technical indicators of paper, including physical performance indicators, optical performance indicators, printing performance indicators, and chemical performance indicators. Among them offset printing is closely related to:Compactness, tensile strength, elasticity, whiteness,

Green packaging concept and requirements Green Package, also known as pollution-free Package and Environmental Friendly Package, refers to the Package that is harmless to the ecological environment and human health, can be reused and recycled,