We are dedicated to the research and development, production and sales of organic compounds, pharmaceutical intermediates and chemical raw materials. We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. Our products sell well in many countries, such as the U. S. A, Mexico,the Netherlands,Ireland,Poland, Canada, England, Italy, Columbia and so on. 100% guarantee.Reship or full refund if any quality or shipping problem. We look forward to cooperating with you.