1. Sast refers to Xianke Group.

2. As a high-tech enterprise with economies of scale, Xianke Group’s success and development have received great attention and cordial care from leaders of the Party Central Committee, the State Council, and provincial and municipal government leaders at all levels. Xianke's trademark includes a series of marks such as Chinese Xianke, English SAST and three-dimensional triangle laser graphics. It is a representative of "advanced technology" and is in the process of reshaping Xianke's product chain.