Cam switches S008P6 and S008P5, cam switches S007a and S001, 

▲ four types of valves, no-load valves, round valves, whistling sanding 

valves, electric air valves and other valve series.

▲: CKl, CK7, CK7F, T705, CK3, 4Q2A and other electric contactor series. 

▲: KS6D, KS6E, KS 3, TKS9, TKSl0 and other power, diesel engine driver controller series.

▲S14l electromagnetic relay, grounding relay, pressure relay, differential relay,

overcurrent relay, time relay, idle relay, general relay and other relay series. 

▲: speed, voltage, current sensor series. No welding train locomotive

hydraulic shock absorber. PRS series protection device. 

▲: S156, S157, S158, S140 and other electromagnetic contactor series. 

▲: CK7, CK7F, CK1, CK3 (4Q1), transfer switch (3QTB), T705 (4Q5),

4Q4 combination contactor, commutator and other main contacts, S307g main contact, 

each contactor Arc cover, auxiliary contacts, contact elements, S307g arc chutes and other accessories. 

▲: Switching speed switch, push button switch, toggle switch, knife switch, foot switch, pressure switch, etc.

▲: 91101773 auxiliary contact N302-03-00/3Q5-201-000, contact element KY1-00-00/TKY1-20/110,

push button switch, push button switch KA1-00-00, main contact S307g, quick action Switch S800a,

please report number / model / specification, SM (N) series universal transfer switch, quick switch S870, 

micro quick switch S804b, button KA1A-00-09, L series push button switch quick switch S802a, micro 

Switch HKW2, tens of switch group 3Q4-000-000, P series push button switch quick switch S806a,

micro switch HKW1, switch S008P5, main contact assembly S008P6, snap switch S826a, micro switch 

HKW3, main touch Head unit HFC1, micro switch S806a/L, foot switch HTK-1/JTK-1,micro switch HKW6,

main contact unit HZK3, snap switch S847, control button S404M-L, automatic switch JM5SB series,

main Contact assembly HZK2, foot switch 3Q23B-000-000, control button S404-H, changeover switch

TCH-6, changeover switch T658B-00-00, transfer switch T658A-00-00, control button S402M-L,

changeover switch TKH,transfer switch 3Q7B-000-000, automatic switch DZ5B-50 series, 

control button S402-H,lock switch group N408-00-00, lock switch group 3Q3-000-001, 

automatic switch DZ5-25 series, Automatic switch TH5SB , fault governor S131C, 

lock switch S126 quick switch S800SB,foot switch S293 series, cam switch S007a, 

cam switch S001, cam switch S008k, cam switch S008P5, push button switch AK1-H series,

push button switch AK2M-L ( 2/2) series, plate button switch S390, railway locomotive plate

button switch, DF8B plate key switch group S450B-B/10 bit,DF8B plate key switch group

S451B-B/4 bit, DF8B key switch S126D, DF8B plate button switch PS30/3(I), DF8B plate

button switch PST9/7(T), DF8B plate button switch PS520/19(I), DF8B plate button switch 

LS33/3P5X2(I),DF8B plate button switch LS33/3P5X2(0) , DF8B plate button switch (flat blue) 

S403-B-B2/2, DF8B plate button switch (round mushroom head green) S403M-L-B2/3.