L-theanine Chemical Cas No: 3081-61-6

Henan Weihe Biological Engineering Co., Ltd is a reliable Manufacturer, Supplier and Exporter of Riboflavin - Vitamin B2, L-Aspartic Acid, Melatonin Chemical, Xylitol Chemical, Ethyl Maltol Chemical, Food Coloring Series, etc. The company is a professional name of the market committed to follow the health, safety and environment regulations at every step of production. We meet the demands of health care sectors with innovation and responsibility to provide them with the best for making effective medicines. We adhere to transparent business policies and ethical philosophy to provide complete customer satisfaction.We are associated with New and Cheng (002001), Changmao Biological (00954, hk), Broad Life Science (00512, HK), Brother Technology (002562), Anhui Fengyuan (000153), Zhejiang Medicine (600216), Shiyao