duorui

Petrochemical plants in the UAE face some of the world’s most severe natural and industrial environmental challenges. The year-round relative humidity exceeding 60%, combined with sulfide-rich industrial atmospheres, places extreme anti-corrosion demands on the metal connections of Tube and Coupler…

The surface treatment of metal construction accessories not only determines the aesthetic appearance of the products but directly impacts their anti-corrosion performance and service life under various working conditions. Based on industry standards and project practices, Zhengzhou Duorui Enterprise provides…