Now, the general predicament of mobile phone connectors is that profits have reached the bottom line. “The unit price of a connector, such as a commonly used card holder. The price in Japan and South Korea is usually 3 cents, and the price in China is 2 cents.” For different customers, the quality and price of the products they provide do vary. Different, this is also the industry default. Connectors from brand manufacturers sell for 2 cents to 3 cents, while connectors in the cottage market sell for 2 cents or less. The differences mainly come from the use of materials and gold plating. Compared with consumer electronics industries such as mobile phones, the automotive electronics, fiber optic communications, and medical equipment industries have higher profit margins.