Choline Chloride Professional Manufacturer.Hengfeng Be-Long Choline Factory is a leading producer and exporter of feed grade choline chloride since 1996.It locates in Zouping county,in Shandong,specializes in the production and development of choline salts and other vitamins for her parent company BE-LONG (Nanjing China).Since its establishment,she has been enjoying high reputation from customers and business partners both at home and abroad for quality products and services in this particular field.