The registered address of Weifang Yahe Gas Equipment Co., Ltd. is located at No. 121 Plant, Yingbao Lane, the south of Yingqian Street, Baotong Community, Qingchi Street, Weifang High tech Zone, Shandong Province. The registration authority is the Market Supervision Administration of Weifang High tech Industrial Development Zone, and the legal representative is Zhang Ming. The business scope includes nitrogen production equipment, oxygen production equipment, gas compression machinery and accessories, air purification equipment, vacuum drying equipment, refrigeration equipment Production, research and development, sales, installation, and maintenance of air conditioning equipment, evaporative coolers, cooling equipment, environmental protection specialized equipment, and electromechanical equipment (excluding special equipment, casting, electroplating, and painting processes, production is operated based on environmental review and approval opinions); Import and export of goods or technologies (excluding goods and technologies prohibited by the state or involving administrative approval). (Projects that require approval according to law can only be operated with the approval of relevant departments)