Locomotive manual pressure valve TXJT.503.00, locomotive high-pressure safety valve TXJT.505.00, locomotive pedal valve TXJT.504.00, locomotive door interlocking valve ZZ14001, locomotive check valve TXJT.506.00/ZZ14004, locomotive directional valve TXJT.507.00, electronic control valve 6Q52-000-000, electronic control valve T850-00-00-00, two-way two-way electronic control valve TFK1B, two-way three-way electronic control valve TFK, two-way two-way electronic control valve Control valve TFKM, two-position three-way electronic control valve TFKM. Sand-spraying electronic control valve H23D-L9-B, spring-stop solenoid valve H23D2-L7-B, horn and rising bow solenoid valve H23D-L9-G, electric signal plate plug H23DBS-S (with lock), electric signal plate plug H23DBS-X (knob), locomotive electronic control valve H23XJD-L6, locomotive electronic control valve H23XJD-L10, locomotive pressure regulating valve QTY-15, locomotive one-way plug Valves KA-G1/2, electronic control valve TKF4-10-110, electronic control valve TKF3-110, stop solenoid valve, electro-pneumatic valve 23DKF12-6T, bagpipe sand spreading valve TFK7-110, no-load valve TFK6-110, cylindrical electronic control valve TFK5-110, electronic control directional valve SLSD550-RS2SDW, interlocking solenoid TML-110, interlocking solenoid TFK4-110, solenoid valve QF1-22/24, outlet check valve JKG1 0-04 0A, exhaust valve JKG1-03-000A, electromagnetic blowdown valve 23DKF2-6T, conversion valve 23DKF1-6T, sand whistle valve 22DKF3-8T, electromagnetic blowdown valve DPW-00-000, inlet valve JKG1-02-000A, electromagnetic blowdown valve TDJKG1,, air valve assembly NT31-147, sand sprayer DLJ6-02-09-300-1, display valve and seat NT87-00-82, low pressure security valve NT3-00-75, low pressure security valve NT2-300-300-1 -00-75, safety valve NT3-00-75, safety valve NT2-00-75, reversing interlock N303.00.00, two-way three-way electromagnetic reversing valve SR361-RS4SD, two-way three-way electromagnetic reversing valve K23JD-15, railway locomotive mirror hand-pull valve, regulator 704-1, TAG：