航锦科技：公司运营3000Nm3/h高纯氢气充装站，面向东北地区氢气需求市场，全部对外销售

Core Viewpoint - The company, Hangjin Technology, is actively engaging in the hydrogen energy sector, specifically focusing on the storage and supply of high-purity hydrogen gas in the Northeast region of China [1] Group 1: Company Operations - Hangjin Technology operates a high-purity hydrogen gas filling station with a capacity of 3000 Nm3/h, targeting the hydrogen demand market in Northeast China [1] - The company sells all of its hydrogen gas output to external customers, indicating a strong market presence and demand for hydrogen in the region [1]