Yes, China's pork export can bring in foreign exchange and increase income. China is one of the countries with the largest pork consumption in the world and has a huge pork industry. With the development of China's economy and the improvement of people's living standards, the demand for high-quality pork products is also increasing.

One of the advantages of China's pork export is that China's pork production technology and product quality are constantly improving. The agricultural sector in China has made a lot of investment and improvement in pork production, improved the breeding environment and animal feeding conditions, and strengthened disease control and quality monitoring. The pork production in China is more and more in line with international trade standards and consumer requirements, which provides opportunities for pork export.

In addition, China's pork consumption demand is still huge, but in recent years, due to African swine fever and other factors, domestic pork supply is insufficient, leading to price increases. This not only brings challenges to the domestic pig industry, but also creates opportunities for pork export. China can meet the demand of pork in other countries and regions by exporting pork, thus increasing foreign exchange income and profits of domestic aquaculture.

However, it should be noted that pork exports are also facing some challenges, such as fierce competition in the international market, trade barriers and international trade rules. In addition, pork export also involves food quality and safety, hygiene standards, cultural differences and other issues. Therefore, when developing pork export, China needs to fully consider these factors, strengthen industrial coordination and international cooperation, improve product quality and competitiveness, and realize sustainable foreign exchange earning and income increase.