Qilong Chemical Co., Ltd. specializes in the manufacture of APIS and pharmaceutical intermediates. Our list of products includes anti-cancer drugs, antibacterial drugs, antihypertensive drugs, antiviral drugs and API intermediates. Our anastrozole anti-cancer drug is a white to almost crystalline powder used for breast cancer prevention. The famciclovir is an antiviral drugs used for the treatment of herpes zoster and genital herpes simplex.