Why are the prices of wires and cables in Yantai different?

The cost of raw materials, equipment, labor and supporting facilities of a cable in each factory is different, and the price is different in different sales channels; There are still differences in quality between large factories and small factories, and the implementation standards are not the same; This unit, workers, projects without quality acceptance, in order to save money and cut corners, will use low-priced materials, and the quality may not meet the standard; Competition is also beneficial. Large factories will reduce various costs and prices, and small factories will also work hard on quality. For example, a high imitation shoe has now established its own brand and sold well.