On June 20th, GraceNote investors asked Valiant Co., Ltd. (002643.SZ) on the investor interaction platform, "Has the company sold a small amount of Arf photoresist and pcb photoresist products?" The company replied that the PR materials it has sold include PR monomer, PR resin and photoacid generators, which are mainly used in the semiconductor manufacturing field. After more than a decade of efforts, the company has already possessed the leading technology level in the aforementioned material field domestically. The company will also continue to do well in product development, industrial supply and technical support based on the customized demand of downstream domestic and foreign finished material customers, with the goal of being a solid backing for the global semiconductor manufacturing materials industry development.
万润股份(002643.SZ)：已销售的PR材料包括PR单体、PR树脂以及光致产酸剂，主要应用于半导体制造领域
Valiant Co., Ltd (002643.SZ): The sold PR materials include PR monomers, PR resins and photo-induced acid generators, mainly used in the semiconductor manufacturing field.
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