Founders of semiconductor materials supplier Hubei Dinglong become billionaires

China's Hubei Dinglong, a semiconductor materials supplier, has seen its shares rise nearly 116% over the past year, making co-founders Zhu Shuangquan and Zhu Shunquan billionaires with a net worth of $1.3 billion each. The company plays a crucial role in China's semiconductor supply chain, producing chemical mechanical polishing materials and expanding into lithography materials. In Q1 2026, Dinglong's net profit surged 78% year-on-year to 251 million yuan, driven by its CMP business. The brothers founded Dinglong in 2000 to reduce China's reliance on imports, and the company went public in 2010.