China Sky One Medical, Inc. is engaged in the development, manufacture, marketing and sale of over-the-counter, branded nutritional supplements and over-the-counter plant and herb based pharmaceutical and medicinal products. Its principal products are external use Traditional Chinese Herbal Remedies/Medicines (TCM). The Company is also an integrated manufacturer, marketer and distributor of external use Chinese medicine products sold primarily in China and through Chinese domestic pharmaceutical chains. The Company sells both its own manufactured products, as well as medicinal and pharmaceutical products manufactured by others in China. All of its business is conducted through its wholly owned subsidiary, American California Pharmaceutical Group, Inc. (ACPG) which, in turn, wholly owns Harbin Tian Di Ren Medical Science and Technology Company (TDR). On April 3, 2008, TDR completed its acquisition of Heilongjiang Tianlong Pharmaceutical, Inc.