continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for 6163-58-2, Weight 75.11, L-Ala, Molecular Formula C9H10O2,(S)-3-hydroxypyrrolidine HCl. We will continually strive to improve our service and provide the best quality products with competitive prices. Any inquiry or comment is highly appreciated. Please contact us freely. The product will supply to all over the world, such as Europe, America, Australia,Pakistan, Israel,Seattle, Mecca.Our company's main products are widely used all over the world; 80% of our products exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.