2. Delis (002330): The company is a large-scale pork food comprehensive processing enterprise mainly engaged in the production and sales of pig slaughtering, cold meat, frozen meat and low-temperature meat products, with an annual output of 80,000 tons of cold meat and frozen meat and nearly 30,000 tons of low-temperature meat products. There are more than 100 kinds of chilled meat and frozen meat products, and more than 100 kinds of low-temperature meat products such as ham sausage have been developed.
3. Tang Renshen (002567): Tang Renshen Group is the first batch of national key leading enterprises in agricultural industrialization. After more than 20 years' development, the Group has formed five industrial development patterns: variety improvement, safe feed, healthy breeding, meat processing and brand monopoly, and has more than 40 subsidiaries in China.
4. Jin (002548): After years of development, the company has formed a large-scale pig feed R&D, production and sales system. From 2007 to 2009, the company's business scale, sales volume and market share were among the top pig feed manufacturers in China. As an early enterprise that entered R&D, produced and sold teaching materials in China, with strong technical strength and good brand effect, the company has a strong competitive advantage in the teaching material market segment.
5. Shunxin Agriculture (000860): The company is in the leading position in the Beijing market in meat products, with an automatic pig slaughtering and processing production line with an annual slaughtering capacity of 3 million heads, and is the largest production enterprise in China at present?