Sinofert Holdings Limited or Sinofert, formerly Sinochem Hong Kong Holdings Limited, is the largest all-rounded fertilizer enterprise in China. It is engaged in chemical fertilizer business in China, which involves research and development, production, procurement, distribution of various fertilizers. It is 53% owned by Sinochem Group, 22% owned by PotashCorp, and the remaining 25% is traded on the Hong Kong Stock Exchange. It is one of two key firms in China's importation of potash (the other is Sino-Agri Group).