Ding Long Holdings: Annual Production of 300 Tons KrF/ArF Photoresist Industrialization Project Commences Production

MetaMuskRat · 2026-03-20T20:23:30+00:00

Dinglongstock's controlling subsidiary has successfully completed the industrialization project of an annual production capacity of 300 tons of KrF/ArF photoresist and commenced operations smoothly. The company has deployed more than 30 high-end photoresist products, marking a major breakthrough in the semiconductor materials sector and achieving full-process independent and controllable capabilities, creating new opportunities for performance growth.

MetaMuskRat

2026-03-20 20:23:30

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People’s Financial News, March 19 — Dinglong Co., Ltd. (300054) announced on March 19 that its controlling subsidiary, Dinglong (Qianjiang) New Materials Co., Ltd., has completed the main factory building and supporting facilities for the “Annual Production of 300 Tons of KrF/ArF Photolithography Resin Industrialization Project” invested in Jianghan Salt Chemical Industrial Park. After review by relevant authorities, the project has recently been successfully put into operation. Currently, the company has developed over 30 high-end wafer photolithography resins, covering critical lithography materials such as immersion ArF and KrF, which are in urgent demand by domestic core wafer manufacturers. More than half of these products have been sample-tested by customers, with several products achieving stable mass supply, and multiple products actively pursuing orders. The successful completion and operation of the “Annual Production of 300 Tons of KrF/ArF Photolithography Resin Industrialization Project” marks a significant breakthrough for the company in the high-end semiconductor materials field. This achievement enables full control over the entire process from key materials to photolithography resin products, allowing for more efficient response to customer needs, rapid and high-quality product delivery, and will also bring new growth points for the company’s performance.

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