Founded in 1998, Skystone Feed Co., Ltd. is the world’s leading manufacturer of betaine with annual capacity 30,000MT, its products including ethoxyquin, compound antioxidants, mould inhibitor, synbiotics, rumisure, garlicin, acidifier etc, which have been distributed to more than 40 countries in Europe, North America, South America and Asia. The company has got the certificates of ISO9001, ISO22000, FAMI-QS, ISO14001, OHSAS18001, HALAL, KOSHER and CLEANER PRODUCTION. It subsidiaries including Vietnam Star Biotechnology Co., Ltd., Skystone México S.A. de C.V., Skystone Biotechnology Co., Ltd., Skystone Premix Plant etc. The company has established Skystone Feed Additive Research Center with professional research labs of mould inhibitor, compound antioxidant, betaine etc. Skystone has set up three research labs in Nanjing Agricultural University, Jiangnan University and Jiangsu Microorganism Institute, and has undertaken a number of national research projects. On the principle of “Dedicate to research, development and service of feed additive”, we sincerely invite all friends to Yixing city, a famous tourist resort which is well-known as pottery capital, tea oasis, bamboo sea and caves. We would like to develop long term cooperation relationship with friends from all over the world.