http://www.grgaa.com/Immune Enhancing Glycocyamine 鈻?Our History Granray was founded in 2013 we are in Biotechnology Industrial Area, Nanbaishe town, Zhaoxian, Hebei. The Biotechnology Industrial Area planning and design steam,water,sewage and sludge waste, service for the stable production. 鈻?Our Factory Granray is a professional manufacturer of amino acids. Exquisite technology and industry-specific industry production standards are the main reason for being sought after. 鈻?Our Product Glycine/Magnesium Bis-glycinate/ Zinc Bis-glycinate/ Calcium Bis-glycinate/ Sodium glycine/ Guanidinoacetic Acid/ Lycopene. 鈻?Product Application F