Yingkou Harbor Trading Co., Ltd. is a predominantly minerals processing export company, which has a professional sales team and 17 years of industry experience.Our factory produces magnesium oxide series products and feed additives etc. approved by the Ministry of Agriculture.The products are mainly exported to Japan, South Korea, Europe, Australia, the United States and Southeast Asia and other countries.Our company is a major supplier of global magnesium oxide agricultural products and enjoys a good reputation in the industry.