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I would like to ask everyone: in factories that produce methanol from water-coal slurry, what are the various types and brands of flow meters, control valves, safety barriers, DCS systems, transmitters, analysis instruments, level gauges, valve positioners, resistors, and thermocouples that are used? It is best to list 3 brands from each, domestic and international
Haha, this is quite common – there are plenty of such products available online. Generally speaking, for control valves, there are many manufacturers in Wuzhong, Ningxia, Dazhong, Shanghai, as well as in Yueyang. Through joint ventures, the gap with foreign valve manufacturers is gradually narrowing. There are so many foreign brands in use, such as Fox, Fisher, Emerson, and many others