Independent innovation of national brands

Tianjin Dongfanglong Photoelectricity Measurement And Control Technology Co., Ltd. Founded in 2004, it is located in the beautiful Tianjin Hi tech Industrial Zone and the green industrial base "National Software Industrial Park". It is a professional company integrating research and development, production, sales, installation and after-sales service. It is composed of optical measurement experts who enjoy the special allowance of the State Council, and professionals in light, machinery, electricity, software, computer and other fields.

The first domestic photoelectric camera caliper (2000), laser scanning caliper (2009), laser scanning swing caliper (2018), and rotary caliper (2022) were born from this united and upward technical team that embodies the wisdom of the Chinese people!

The company takes research and development as the leader and quality as the guarantee, possessing nearly a hundred patents and software copyrights. For many years, Dongfang Long Company has been innovating and developing in the field of steel rolling measurement with a dedicated spirit and enterprising attitude, and has been highly praised by customers.

Since the successful development of domestic diameter measuring instruments in our company, a total of over 600 diameter measuring instruments of various specifications and models have been put on the market, with an annual production capacity of over 100 units. The products have covered steel rolling enterprises in various provinces, cities, and regions in China, such as Baosteel, Hualing Steel, Ansteel, CITIC Special Steel, Baosteel, Sangang Mingguang, Chongqing Steel, Qingshan Steel, Delong Steel, and so on. At the same time, it has also been sold to more than ten countries, including South Korea, Indonesia, Malaysia, Thailand, India, Iran, Türkiye, Uzbekistan, Albania, Algeria, and has become the preferred professional supplier for domestic steel enterprises and design institutes.