17-hydroxy-7alpha-methyl-19-norpregn-5(10)-en-20-yn-3-one

Welcome to Hebei Lihe Biotechnology Co., Ltd Our company located in Shijiazhuang CIty which is capital of Hebei province .Near Beijing and Tianjin port,Superior geographical location and convenient transportation, Our company is a modern high-tech Chemical Enterprise with Research & Development , Production and Sales . Our products export to America ,Korea , Japan , Germany , Finland , Malaysia and other countries and regions and favored by customers . Our company is engaged in production and sales of Plant extract , food additives ,pharmaceutical intermediates and other Chemical Raw materials . Our management principle is “ Integrity based ,win-win and solidarity cooperation ,innovative development “ We have advanced production and testing equipment ,professional management team and perfect after-sales service system to ensure the best quality product for the customers . We aim to “ Service and sincere in exchange for your trust and long-term support ,Mutual benefit and create win-win !” So welcome worldwide inquiries .