Zhang County of Gansu has a long history of planting sea buckthorn, and Zhang County is one of the major producing areas of sea buckthorn in China. Sea buckthorn distributes everywhere in the whole county. For a long time, there have been natural sea buckthorn forests in Zhang County. At present, the sea buckthorn forests cover a total area of 300 thousand mu, which ensures an adequate material supply.

Founded in July 2014, Gansu Alkog Sea-buckthorn Pharmaceutical Co., Ltd. lies in Zhang County Industrial Park covering an area of 13500 m2. Now it has more than 100 employees and more than 20 million yuan of fixed assets. It has advanced CO2 above-critical sea-buckthorn oil extraction plant and perfect quality control and inspection means, and is a high tech enterprise incorporating production and sales. It mainly produces sea-buckthorn materials, sea-buckthorn oil, sea-buckthorn health products, sea-buckthorn foods, sea-buckthorn personal care products, and sea-buckthorn cosmetics. The products have won the consistent praises by domestic and foreign customers after they are launched.