Yantai Longwin Electronic Science & Technology Co., Ltd. is a high-tech manufacturer and trading company established in 2004 and based in Yantai, Shandong, China. With a workforce of 101 to 200 employees and annual revenues between US$1 million and US$2.5 million, the company specializes in the research, development, and production of professional education equipment and multimedia digital products. Their extensive product portfolio includes interactive multi-touch displays, infrared and electronic whiteboards, interactive flat panels, and smart boards ranging from 55 to 101 inches. They also provide advanced AV control systems, multimedia central controllers, and a variety of digital visualizers and document cameras designed for classroom and conference environments.
Yantai Dongfang Electronic Weighing Apparatus Co., Ltd, a subcompany of a general company established in 1965, is a manufacturer and trading company based in Yantai, China, specializing in the research, development, production, and sale of weighing equipment. With 51 to 100 employees, the company offers a comprehensive range of electronic weighing apparatus for daily, commercial, and industrial applications, including electronic truck scales, electronic platform scales, electronic floor scales, and wireless data transmission electronic crane scales. They also provide load cells and indicators. Their products, such as the SCS electronic truck scales series, have received accolades like "China famous-brand high quality products" and "Shandong Named Brand." The company operates with modern management, advanced productive technology, and inspection equipment, holding ISO 9001 certification. They offer contract manufacturing services and have collaborated on significant projects, including designing customs inspection systems and port security inspection systems. Yantai Dongfang Electronic Weighing Apparatus Co., Ltd's products are sold nationally and exported overseas.