Hangzhou Grne Biological Technology Co., Ltd , which was established on July.1, 2008. It is located in Hangzhou, a beautiful and strategic place. Our production base is in Economic Development Zone, Dacheng County, Hebei Province. There is a professional technical team in the company, including 1 Doctor, 20 professionals of Amino acids, more than 11 nutritionists and there are 103 employees in total. We specialize in producing Neomycin Sulfate and Amino acid. Our strong products are Neomycin Sulfate, L-Methionine, L- Lysine HCL, L- Serine, L-Leucine, L - Arginine, L - Valine, L - Isoleucine, L- Aspartate and so on. The products we manage are Amino acid oral liquid and a series products of Amino acid nutritional tablet. We insist the concept of people-orientation and regard quality as the life of manufacturing and operating. We hope to make a contribution to human health.