Terminals can be divided into European terminal series, plug-in terminal series, transformer terminal, building wiring terminal, fence terminal series, spring terminal series, track terminal series, through-wall terminal Series, photoelectric coupling terminal series, 110 terminal, 205 terminal, 250 terminal, 187 terminal, OD2.2 ring terminal, 2.5 ring terminal, 3.2 ring terminal, 4.2 ring terminal, 2 ring terminal, 6.4 round Ring terminal, 8.4 ring terminal, 11 ring terminal, 13 ring terminal flag series terminal and sheath series, all kinds of ring terminal, tube terminal, wiring terminal, copper strip iron strip (2-03, 4-03 , 4-04, 6-03, 6-04) etc.