iron oxide pigments cover a variety of color series such as red, yellow, black and brown. It has extremely strong weather resistance and can withstand sun exposure and rain for a long time in outdoor environments without fading easily. It has strong covering power and can achieve uniform coloring with a small amount of addition. It also has excellent chemical stability and does not react easily with acids or alkalis. It is suitable for multiple fields such as concrete, coatings, plastics, and rubber, and is an extremely cost-effective coloring choice in industrial production.