- Business
- Sunstone Development Co., Ltd. (603612.SS) engages in the research, development, production, and sales of prebaked carbon anodes for the aluminum industry; lithium battery anode materials; film capacitors; aluminum anode products; and low-carbon services, while also importing petroleum coke and exporting prebaked anodes. The company operates primarily in the non-metallic mineral products and commodity chemicals sectors, serving domestic aluminum producers and international markets, with sales divided between China and exports. Founded in 2003 and headquartered in Linyi, China, with additional facilities in Dezhou, it employs approximately 5,591 people and generates revenue across anode, negative electrode, and capacitor divisions.
In recent developments, Sunstone Development completed the acquisition of a 94.98% stake in Foshan City Xin Yuan Electronic Co., Ltd. in March 2023 to bolster its electronic components capabilities, following regulatory approvals including from the China Securities Regulatory Commission. The company signed a joint venture agreement with Huayang New Material Technology Group on October 30, 2025, to establish a carbon material project, expanding its strategic alliances in advanced materials. Additionally, Sunstone announced the closure of its equity buyback program on January 15, 2024, repurchasing 2.7 million shares for CNY 32.54 million, or 0.50% of its outstanding shares.