证券日报网讯12月17日，鼎龙科技（603004）在互动平台回答投资者提问时表示，公司为上游特种工程 材料单体生产商，主要生产PI单体、PBO单体和杂环芳纶单体，下游客户主要有中蓝晨光、成都新晨、 三井化学等。关于PBO应用，PBO纤维在航空航天、军工国防、交通运输、体育器材、建筑材料、高温 防护等领域有着重要的应用价值，具体应用细节以下游及终端厂商披露信息为准。公司产品为PBO纤维 制备的核心单体，供给给下游企业用于PBO纤维制备，目前销售较为稳定。关于PSPI应用，光敏性聚酰 亚胺(PSPI)单体作为合成光敏聚酰亚胺材料的核心原料，其应用领域围绕最终合成材料的特性展开，涵 盖半导体、柔性显示、微机电系统等多个高端制造领域，具体应用细节以下游及终端厂商披露信息为 准。公司目前正在积极培育光敏性聚酰亚胺(PSPI)单体，尚未产业化生产。 ...

Core Viewpoint - Dinglong Technology (603004) is currently not involved in the field of photoresist materials, focusing instead on the production of dyeing agents, specialty engineering material monomers, and agricultural protection materials [1] Group 1: Company Overview - The company primarily produces dyeing agents, specialty engineering material monomers, and agricultural protection materials [1] - Within specialty engineering material monomers, the company is actively cultivating photosensitive polyimide (PSPI) monomers, which have not yet been industrialized [1] Group 2: Product Development - Photosensitive polyimide (PSPI) monomers are core raw materials for synthesizing photosensitive polyimide materials [1] - The application fields of PSPI monomers include high-end manufacturing areas such as semiconductors, flexible displays, and micro-electromechanical systems [1] - The company does not have specific information on whether its produced PSPI monomers will ultimately be applied in the photoresist field, as this depends on disclosures from downstream and end manufacturers [1]