The core competitive advantage of each npp, the abundance and variety of products, the strategic partnership of each npp with a number of high-level r&d institutions abroad, the introduction of a senior r&d team for indoor air pollution detection and management from advanced technology companies abroad, and the successful development of a number of high-technology hpv products. After many years of research on each of the net environmental products, zui managed to organically combine shell debris, edible rice slurry, with natural minerals treated by high-tech technologies and imported raw materials from abroad, into an antioxygen ion ecological wall that can be painted on the walls. Every npp pushes energy-efficient, green-health, high-quality and low-cost safe products to the market for the benefit of every consumer. To contribute to the mitigation of the earth's pollution, energy conservation and the creation of a healthy environment! The concept of environmental protection...