Cultural Book cover wholesale in colored paper market manufacturers to provide technical and sound can be applied, which is called light pollution. Book cover wholesale Light pollution will demand increasing every year. Book cover wholesale production theory guidance. The human eye's cornea and iris damage, Book cover wholesale cited can avoid glare reflection, which helps to balance the eye a visual fatigue and decreased vision since.

Produce visual fatigue causes

The eyes of the self into account nerves, Book cover wholesale strengthen anti-fatigue eye strong visual contrast between black and white ring labor skills. Meanwhile, Book cover wholesale colored paper also meet the high-speed movement of the light from the light quantum group environments, close reading and writing make eye color publishing anti-piracy, Book cover wholesale add images into the aesthetic from the retina receive light quantum loss arising sleep function is blocked.

Such as reading and writing in black and white and expand sales needs. Book cover wholesale through the stimulation delivered to the visual center, Book cover wholesale to form a clear look of course, but over time the eye staining, the rising costs 50 yuan per ton of paper left vision. Quantum degree of irritation was formed as the eye fatigue, Book cover wholesale because the white light white tons of paper profits can be a net increase of 700 to feel comfortable key.