Why do DuPont sell more expensive things than other businesses?

Because of its good quality, DuPont sells more expensive things than other enterprises. According to relevant public information, DuPont, as a first-line brand, has been committed to developing high-performance new products. R&D has invested 2.2 billion US dollars, owned about 1 0,050 US patents and about 2,500 international patents, and has more than 1 10,000 scientific and technological personnel worldwide.