What are the well-known brands of safety valves at home and abroad?
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I would like to ask fellow sailors: What are the well-known brands of safety valves both domestically and internationally?
Low-temperature valves: Helos, Giant, Fox
Well-known domestic manufacturers of safety valves include Beijing Aerospace Institute No. 11, Shanghai Valve Factory, Yongyi Valves, Dongwu Machinery, etc., while foreign manufacturers include German company Leser, as well as American companies such as Farris, Consolidated, Tyco, Crosby, and others