- Business
- Hubei Dinglong Holdings Co., Ltd. (300054.SZ) manufactures and sells advanced materials for semiconductors, optoelectronics, and printing consumables; its core products encompass chemical mechanical polishing pads, cleaning solutions, grinding fluids, abrasive particles, polyimide pastes, photosensitive polyimide photoresists, ink film packaging inks, temporary bonding glues, encapsulation photoresists, wafer transfer boxes, wafer resists, ArF and KrF photoresists, wafer-level insulating passivation layers, color polymer toners, consumable chips, developing rollers, renewable and general cartridges, and laser printing universal consumable chips. The company operates primarily in China through multiple industrial parks including its Wuhan headquarters optoelectronic semiconductor material science and technology park, Dinglong (Xiantao) and (Qianjiang) optoelectronic semiconductor material industrial parks, Hangzhou Qijie integrated circuit design park, Ningbo new material industrial park, and Zhuhai and Beihai printing and copying consumable industrial parks; it targets semiconductor manufacturers, display producers, and printing equipment users globally. Founded in 2000 and headquartered at No. 1 Dongjinghe Road, Wuhan Economic and Technological Development Zone, Hubei Province, China, the company changed its name from Hubei Dinglong Chemical Co., Ltd. in September 2016 and listed on the Shenzhen Stock Exchange ChiNext board in 2010. Recent developments include the completion and production startup of Phase I high-end KrF/ArF wafer photoresist industrialization in 2024 with Phase II in 2025, Phase II OLED display polyimide industrialization in 2025, semiconductor advanced packaging material industrialization and Dinglong (Xiantao) Optoelectronic Semiconductor Materials Industrial Park in 2023, CMP cleaning/polishing fluid Phase I in 2021, acquisitions of Zhuhai Mingtu in 2012-2014, Hangzhou Qijie, Shenzhen Chaojun, and Ningbo Firestone in 2015-2016, and Beihai Jixun holding in 2017-2019, alongside a successful 910 million yuan convertible bonds issuance in April 2025 and exceeding 25,000 tons in color-aggregated toner sales in 2024.