Crovell Biotech (Hebei) Co., Ltd.(Guanlang) is specialized in pharmaceutical intermediates, veterinary drug intermediates and dyes intermediates,such as phenylacetamide, dimethylamine hcl, benzyl chloride etc., Crovell also supply various industrial chemicals for customers, such as citric acid,potassium chloride etc. After ten years development,Crovell has become a Diversified development company,not only involves in chemicals, but also real estate ,clothes ,agricultural products and so on. So far, Crovell has business in more than 35 countries,most big customers come from europe and America, because among the suppliers in china,Crovell can always make the product quality best, some of the products from Crovell can reach the purity of 99.9+, such as 2-phenylacetamide. This is the important reason for customers who choosing Crovell. In future, Crovell must become to a more important trade bridge for china and foreign countries especially in pharmaceutical industries.