1, Rongchang pig: The main producing areas are Rongchang in Chongqing and Longchang in Sichuan, and then gradually spread to Luxian, Luzhou, Hejiang, Dazu, Jiangjin, Yibin, Yongchuan and other counties and cities 10.
2. Taihu pig: mainly produced in Taihu basin, with large head and wide forehead wrinkles.
3. Jinhua Pig: Also known as Ertouwu, it is produced in Yiwu, Dongyang and Jinhua counties in Jinhua, Zhejiang Province.
4. Ningxiang Pig: It is produced in Liushahe and Caochong areas in Ningxiang County, Changsha, Hunan Province, also known as Caochong Pig and Liushahe Pig.