Definition and use of paper holder. Paper holder has good anti-shock, anti-shock, anti-static, anti-corrosion effect, and no pollution to the environment is conducive to the export of manufacturer's products, widely used in electronics, electrical appliances, computers, mechanical parts and components, industrial instruments, handicrafts, glass, toys, pharmaceuticals and other industries packaging. Widely used in aquaculture, planting, large supermarkets and other fields. With the deepening of environmental protection law and people's increasing awareness of environmental protection, degradable and recyclable paper is silently entering the model packaging industry and people's lives.