Terminals can be divided into, European terminal series, plug-in terminal series, transformer terminal, building wiring terminal, fence type terminal series, spring type terminal series, rail type terminal series, through-wall type wiring 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 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, terminal 03, 4-04, 6-03, 6-04) etc.