Pure Melatonin Powder suppliers About us Shaanxi Hongda Phytochemistry Co., Ltd. was established in January 2001. Awarded the National high-tech enterprise in 2010, We specialize in research development and the production of natural plant extracts ingredients which were widely used for nutraceutical, pharmaceutical, health care, and cosmetics products. Hongda Phytochemistry factory covers an area of 20,000 square meters and is equipped with advanced extraction whole equipment and owns SGS Certified laboratory, We have a professional engineers team of over 20 employees, and skillful factory employees of over one hundred. Hongda factory production in accordance with GMP standards, We have the certification BRC, Kosher, Halal, ISO9001, ISO22000, Organic, SC, and FDA registered .etc. We keep supplying our worldwide customers with superior quality ingredients with different market standards, Our main hot sales markets are Europe, Asia, and North America. Welcome to check with us if you scouring for qualified ingredients manufacturer suppliers!Pure Melatonin Powder suppliers website:http://www.hongdanaturals.com/