yierdechem is a young and potential team, with about ten years experiences in the field of pharmaceutical intermediate and fine chemicals, yierdechem has established solid business cooperation relationships with many large companys worldwide. as a leading supplier of api and pharmaceutical intermediates, holds its principle of ”quanlity first, customer supreme”, yierdechem has achieved many big customer’s trust and satisfactory. and we sincerely welcome friends at home and abroad to cooperate w...