Company Overview - Shandong TeFa Light Source Optical Communication Co., Ltd. is a state-owned high-tech enterprise involved in the development and production of optical fibers, optical cables, and optical communication equipment [4][5] - The company was established on November 17, 2015, with a registered capital of 50 million RMB [5] Regulatory Action - The company recently received a fine of 9,000 RMB from the Zaozhuang High-tech Zone Emergency Management Bureau for employing special operation personnel without the required operational certificates [3][4] - The penalty was based on Article 39, Paragraph 1 of the "Regulations on the Safety Technical Training and Assessment of Special Operation Personnel," which stipulates fines ranging from 50,000 to 100,000 RMB for such violations [3] Ownership Structure - The major shareholder of Shandong TeFa Light Source is TeFa Information (000070.SZ), holding a 55% stake, while Dongfang Light Source Group Co., Ltd. owns 45% [5]