Is Ji 'an Red Board listed?

It's listed Red Board Co., Ltd. is located in Ji 'an High-tech Industrial Development Zone, and is a wholly-owned subsidiary of Red Board Company of Tai Sen Group, a listed company in China and Hongkong. The company specializes in producing high-density multi-layer circuit boards, which are widely used in high-tech electronic fields such as communication, computers, instruments, automobiles, household appliances, CNC machine tools, etc., and exported to developed countries and regions such as China, Hongkong, Singapore, Japan, Europe and America.