D-Mag New Material Technology

About D-Mag New Material Technology

D.Mag New Material Technology Co., Ltd., also known as Kunshan Giant Light Metal Technology, is a manufacturer of high-performance industrial aluminum and magnesium alloy materials and components. Established in 1996, the company operates as a subsidiary of the Taiwan-based Giant Group (Giant Manufacturing Co., Ltd). As of August 2026, Giant Group moved to increase its consolidated holding in D.Mag to 96.63%, signaling a strategic adjustment to strengthen its focus on the business and improve operational efficiency. D.Mag accounts for approximately 7-8% of Giant Group's consolidated revenue. Headquartered in Kunshan, Jiangsu Province, China, the company has cultivated its market presence for over two decades. D.Mag's Vice President of Scientific Research is Jinfeng Leng, who holds a PhD from the Harbin Institute of Technology and has 23 years of experience in developing high-performance aluminum alloys and composites. The company's core business revolves around the entire production cycle of light alloy manufacturing, from billet casting, extrusion, die-making, and heat treatment to finishing operations like spinning, forging, machining, and anodizing. Its facilities are equipped with numerous extrusion presses, billet casting furnaces, and heat-treatment furnaces, enabling a production capacity of tens of thousands of metric tons per year. The company serves a diverse client base across the bicycle, automotive, aerospace, railway, and electrical industries. Its product portfolio is extensive, including aluminum bicycle and motorcycle rims, seamless and seam tubes, heatsinks, bars, plates, and other custom aluminum extrusion profiles. The firm's engineering and research efforts focus on developing wrought alloys with superior strength, fracture toughness, and corrosion resistance. A video from January 2026 showcased the company's integrated alloy component facility, highlighting intelligent production systems, automated lines, and AI-driven inspections for manufacturing hubs, rims, and suspension parts with micron-level accuracy.