Why are some enterprises in China still successful in applying traditional marketing concepts in the 21st century?

the so-called traditional marketing concept refers to the product-oriented marketing concept, including production, products and sales promotion. This is because the market is unstable and the competition is fierce. The way of competition tends from price competition to non-price competition. The purpose of competition is to maximize profits, not to adjust the surplus and deficiency. This is related to China's economic development and also to China's economic system. For example, in the era when fakes exist, the pursuit of quality has become the primary concern of enterprises. Some sales promotion concepts are relatively applicable forever.