▇ Shandong Yinfeng Biological Technology Co., Ltd. is a high-tech enterprises with its strengths on the production of feed additive choline chloride (vitamin B4), biotechnology research and development, as well as international import and export trade. Our manufacturing base is located in Haosheng Street Industry Park, No.211, 6th Baiyun Road, Zouping County, Binzhou City, Shandong Province,our office is located in Huimei Lingyu Building, Room 1210-1211, at the crossing of Beijing Road and Renmin Road, Zibo City, Shandong Province. In accordance with the needs of the rapid development of the global feed industry , Yinfeng has imported the world-class automatic production equipment, with an annual production capacity of 60,000 tons choline chloride powder. Strictly adhering to the food safety management concept of the European Union “Feed additive is food”, Yinfeng attaches great importance to and control strictly the health indicators of products. Moreover, Yinfeng, taking “Only producing the choline chloride which accords with EU access standard” as the aim, “Gaining the trust by high quality. Enhancing the value by high brand ” as the core operation idea, has been making great efforts to build an excellent brand image in producing the choline chloride, aiming at serving for the development of the global feed industry.