Dear Sir or Madam: The Castle in the beautiful Qingdao, Shandong Province, is a leading provider of integrated feed ingredients, aquaculture feed, feed additives, organic fertilizers, food additives, food ingredients, food processing products, organic materials, and a variety of agricultural exporters. Each year we export large quantities of a variety of feed and food raw materials to Japan and the United States, Korea, Australia and Europe. Various countries from imports of organic products, organic materials such as high-end competitive products. We are interested in establishing a good relationship with you. Thank you.