Core Viewpoint - Nanda Optoelectronics has provided insights into its advanced precursor and electronic specialty gas segments, highlighting the locations of its production bases and the composition of its product offerings [2] Group 1: Advanced Precursor Segment - The advanced precursor segment consists of precursor materials and MO source products [2] - Production bases for this segment are located in Chuzhou, Anhui, and Suzhou, Jiangsu [2] Group 2: Electronic Specialty Gas Segment - The electronic specialty gas segment includes hydrogen electronic specialty gas products and fluorine-containing electronic specialty gas products [2] - Production bases for this segment are situated in Chuzhou, Anhui, Zibo, Shandong, and Ulanqab, Inner Mongolia [2] Group 3: Photoresist Segment - The photoresist production base is located in Ningbo, Zhejiang [2]

Core Viewpoint - Puyang Huicheng (300481.SZ) does not produce hydrogen electronic special gases or fluorine-containing electronic special gases [1] Company Summary - The company has clarified its product offerings on the interactive platform, specifically stating the absence of hydrogen electronic special gases in its production line [1] - Additionally, the company confirmed that it does not manufacture fluorine-containing electronic special gases [1]