Two-position three-way solenoid directional valve SR361-RS4SD, two-position three-way solenoid directional valve SLSD561-RS2SW, spout solenoid valve K23JD-15, spout flange control box HB-2, spout flange control box HB-3, spout head HB-1, spout head HB-2, spout head HB-3, electronic control valve TKF3-110V, electronic control valve TKF4-10-110V, resistance brake electronic control valve 23 DKF12-6T, conversion electronic valve 23DKF1-6T, electromagnetic blowdown valve 23DKF2-6T, sanding whistle valve 22DKF3-8T, inlet valve JKG1-02-000A, exhaust valve JKG1-03-000A, outlet check valve JKG1-04-000A, electromagnetic blowdown valve DPW-00-000, blowdown valve body DPW-00-100, electromagnetic blowdown valve TDJKG1, blowdown valve body TDJKKG1, blowdown valve TDJKKG1-V031, four types of electronic control valve Valves TFK4-110V, cylindrical electronic control valve TFK5-110, bagpipe sand spreading valve TFK7-110, no load valve TFK6-110, two-way electronic control valve TFK1B, two-way three-way electronic control valve TFK, DF8 electronic control valve 6Q52-000-000, DF11 electronic control valve T850-00-00, stop solenoid valve ZJPT9-07-02-000, TAG：