Jian Zhong Chen

Shantou Institute of Ultrasonic Instruments Co. Ltd. manufactures medical imaging systems & other related medical instruments. It principally engages in the research, development, production, and sale of medical imaging equipment and industrial non-destructive testing equipment. The company was founded on November 15, 1982 and is headquartered in Shantou, China.

Guangdong Liantai Group Co., Ltd. engages in the provision of public facilities and services for urban development. It operates through the following business segments: Construction & Investment, Environmental Protection, Highway Investment & Operation, Real Estate Investment, and Other Business. The Construction & Investment segment focuses on general contracting of municipal public works. The Environmental Protection segment invests in sewage treatment, ecological environment restoration, and urban water treatment. The Highway Investment & Operation segment carries out highway investment and financing, construction management, operation management, and highway comprehensive service business. The Real Estate Investment segment develops and invests in real estate projects. The Other Business segment include gardening, finance, oil, and property business. The company was founded on October 26, 1993 and is headquartered in Shantou, China.

Shantou Liantai Industry Co., Ltd. engages in the manufacturing of waterproof building materials. It also invests in the logistics and warehousing industries. The company was founded on May 2, 2017 and is headquartered in Shantou, China.