Nanjing Yunhai Special Metal Co., Ltd., RSM, founded in 1993, is a listed company, specializing in the production, sales and recycling of magnesium and magnesium alloy/aluminum alloy ingots and aluminum rods/die-casting extrusions/master alloys and strontium metal

Nanjing Yunhai Special Metals Co., Ltd., established in 1993, is specialized in the production and recycling of magnesium and magnesium alloys; production and recycling of aluminum alloy ingots and aluminum rods; magnesium and aluminum alloy die-casting and extrusion production; It is a provincial high-tech enterprise for the production and sales of master alloys and strontium metal. At present, the company has formed a complete magnesium industry chain of "dolomite mining-primary magnesium smelting-magnesium alloy smelting-magnesium alloy processing-magnesium alloy recycling". The production and sales of strontium metal and magnesium alloy are among the world's leading companies. The company has 15 subsidiaries in Jiangsu, Shanxi, Guangdong, Hubei, Zhejiang, Anhui and Inner Mongolia. The company was listed on the Shenzhen Stock Exchange in November 2007.

The company has strong research and development capabilities, is one of the top 100 scientific and technological innovation enterprises in Jiangsu Province, has "Jiangsu Magnesium Alloy Materials Engineering Technology Research Center", "Jiangsu Provincial Key Laboratory of Advanced Metal Materials", and has set up "Jiangsu Province Master's Workstation", and has trained a group of engineers and technicians who have been engaged in light metal research and development for a long time. It has successively undertaken the projects of the National Science and Technology Support Program, leading the industry's energy conservation, emission reduction and scientific and technological innovation. It has a number of invention patents and utility model patents with independent intellectual property rights.