Hebei Shengnuo United Technology Co., Ltd. is mainly engaged in software development in the fields of full-process electronic bidding and tendering systems, inquiry and comparison systems, e-government, etc., providing comprehensive solutions such as one-stop electronic bidding and tendering systems, supplier management systems, bid evaluation systems, expert database extraction systems, etc., and providing electronic high-tech information technology services, which has been recognized and praised by well-known large and medium-sized enterprises.

Xi'an Chenjie Electronic Technology Co., Ltd. is a professional company specializing in the integrated sales of media-integrated radio and television equipment, and the integration, research and development, production and sales of audio and video system equipment. The company's main products include audio and video editing system equipment, digital network media storage, audio and video hard disk broadcasting system, media asset management, virtual studio system, graphic information, multi-channel subtitle insertion, teleprompter, radio audio production, audio broadcast control, lighting and other audio and video system equipment. Through years of development, it has accumulated rich audio and video expertise and industry experience in the field of radio and television. The system equipment and audio and video solutions have won a good reputation in the radio and television industry for their superior stability.