Hebei Zhousheng Biological Technology CO., LTD is Located in Shijiazhuang city, China. Our company is in charge of Amino Acids and Vitamins products which manufactured by some of our own factories. Due to competitive price and high quality, our products have good reputation both at home and abroad. Our trade partners are around the world, mainly in America, Europe, Australia, South East Asia and Middle East. We also has built up a excellent, professional sales team, well experienced in international marketing, efficiently providing a range of products and professional services. We believe that trust, reliability and fairness are the essentials of our business principle. We believe in open, friendly and long-term partnerships with our clients. We warmly welcome all foreign frien..