Hubei Aosina Chem-tech Co.,ltd. is a professional chemicals corporation ,mainly supply and export high quality pharmaceutical intermediates for research and lab use ,such as 4-CEC BK-EBDP HEXEN FUB-AMB 5F-ADB 4C-PVP 4F-PHP NM2201. Our products are in very high purity and quality. especially its efficient are in very good repute. We have our own technical team and precision laboratory to make sure our technical updates in time to create new business value for customers. Our customers are mainly from Asia, North America, Middle East, Africa and also Europe.We have good and long-time business relationship with our customers based on guaranteed quality on products and responsible service from our sales team.We welcome your inquiry and hope to achieve win-win between us.