the demand for white cardboard in my country continues to rise and the market concentration is high
white cardboard, also known as thin cardboard, is a single-layer or multi-layer paper made of bleached chemical pulp as raw material, multi-roller calendering and full sizing. the surface is coated with a little paint. white cardboard has the characteristics of thickness, good stiffness, no wrinkles, no scars, no markings, no warping, smooth surface, good uniformity,…

