Selenium dioxide

Shijiazhuang Erche Biotechnology Co., Ltd is a professional pharmaceutical intermediates company, located in Shijiazhuang City,Hebei Province,China.We are engaged in the manufacturer and supply of pharmaceutical intermediates,organic intermediate, BMK, PMK, API, NMN, nootropics, nutrition ingredients, cosmetic ingredients, sex enhancer, plant extracts,etc.In the past years, our products have spread over more than 50 countries in the world.Most of the products produced and sold are exported abroad,and it is well-received in all around the world for its excellent quality.Our goal is to survive by quality and develop by credit. In the past two years,our products have spread over more than 30 countries in the world, the U.S.A, the Netherlands, Poland, Canada, England, Italy, India, Columbia and so on. We work with friends all over the world to develop the best quality products, the most reasonable prices, safe and effective transportation. Product can be ordered from milligrams to tons to meet the purchase of new and old customers.