Shandong Donghong Pipe Industry Co., Ltd. (603856. SH), founded in 1997 and headquartered in Qufu, the hometown of Confucius in Shandong Province, is a Shanghai Stock Exchange main-board listed enterprise focusing on the R&D and manufacturing of intelligent pipeline terminals, committed to becoming a world-leading comprehensive provider of pipeline ecosystem solutions.

The company has established three major production bases in Qufu and set up a wholly-owned subsidiary in Xinjiang, radiating to the western market and connecting Central Asia and Western Europe. As the world's largest composite pipe manufacturing base, Donghong possesses national-level enterprise technology centers, a national CNAS laboratory, and other innovation platforms, holding 312 effective patents and employing over 1, 400 people. In the first three quarters of 2025, the company achieved total assets of approximately 3.634 billion yuan and net profit attributable to shareholders of about 102 million yuan.

Its product portfolio includes steel wire mesh skeleton polyethylene composite pipes (maximum pressure up to 15.0 MPa), 3PE anti-corrosion steel pipes (maximum diameter DN3600), PE pipes (DN20mm - DN1200mm), and PVC series. These products are widely used in fields such as water conservancy, municipal engineering, mining, heating, and gas. Donghong has successfully served key national projects and "Belt and Road" initiatives including the South-to-North Water Diversion, Hanjiang-to-Weihe River Diversion, the Indonesia OBI nickel-cobalt deep-sea backfilling project, and the Pakistan Thar Coal Mine.