Recommend full-price pig feed from several manufacturers

Recommend several manufacturers of full-price pig materials, know love farmers, Hefeng, but we have dealers here, want to sell other manufacturers Xuzhou Zhengchang and Huaian Zhengchang are all very good. Thank you. I don't know if we have any-- Guang'an, Liuhe. There are a lot of herding cranes and so on-- Oh, are there any foreign companies or joint ventures-- the twins are not bad?