Personally think: Veterinary drugs Pfizer, Zhengbang, Tianyi, United America. Poultry feed, Liuhe, piglet feed Zhengda, Chengnong, Twins, Anyou, Yingwei, Dikaiwei. Premixes include Dabeinong, Kangdi, Luoweisu, Tianjin Zhengda...Full price for fattening: Zhengda, Liuhe...Tongwei is better for aquatic products. It is recognized by farmers and hopes to get extra points for adoption.