Shandong Post and Telecommunications Engineering Co., Ltd. belongs to local state-owned enterprises. Oh, Shandong Post and Telecommunications Engineering Co., Ltd. is a state-owned enterprise, and its industry is software and information technology services. The company integrates communication engineering construction, communication equipment maintenance, computer information system integration and communication service maintenance operation, and is mainly engaged in engineering management service, information system integration service, computer system service and software development. The specific business scope of the company includes: technical service, technology development, technical consultation, technical exchange, technology transfer and technology popularization; Engineering technical services; Mechanical equipment leasing; Real estate agent; Special machinery manufacturing for building materials production; Sales of audio equipment; Internet sales; Mechanical and electrical equipment sales; Sales of household audio-visual equipment; Pipeline transportation equipment sales; Sales of safety equipment. Thank you for your trust. The above is my reply. I hope I can help you and wish you a happy life.