Tianjin Dgonri animal by-products co., LTD is a sino-japanese joint venture business for more than ten years, the main production of various specifications of the high quality ammonium sulfate fertilizer.My company product ammonium sulfate particles only annual output reached 80000 tons, and increased year by year.As a member of the many fertilizer raw materials companies, we focus on fertilizer business, committed to the development of fertilizer effectiveness, continuously optimize production and supply chain.Our fertilizer products can effectively promote the grain, vegetables, fruit, grass and other plants in the soil to grow.We wholeheartedly for the domestic and foreign customers with excellent products and service, is willing to work with at home and abroad to establish long-term friendly relations of cooperation, we are looking forward to your continued support and attention.