GOLDEN GAIN INC.LIMITED is an international trading company and distributor of a wide range of feed additives in the worldwide market and was established in 2008. GOLDEN GAIN INC. LIMITED lays in Shouguang City, Shandong Province, China which specializes on feed grade L-threonine, Lysine HCL etc. It has the independent Import & Export rights. The products sell well in the Europe, Southeast Asia, South America, and more than 30 countries and regions, which has given us a leading role as a trader in these fields.Our primary goal is to provide our customers with high quality, excellent service, up-to-date market information and competitive price GOLDEN GAIN INC.LIMITED specializes in the following products:?L-threonine 98.5% ?L-lysine HCL 98.5% ?Lysine sulfate 65%/70%?Choline chloride 50%/60%/70%?L-Tryptophan ?Corn gluten meal ?Monosodium Glutamate