Plastic board and keyboard thereof

A keyboard comprising:

• at least one first keyswitch set comprising a plurality of first keyswitches arranged along a transverse direction;
• at least one second keyswitch set comprising a plurality of second keyswitches arranged along the transverse direction;
• and
• a plastic board connected to the at least one first keyswitch set and the at least one second keyswitch set, the plastic board comprising:
• a first board portion having a plurality of first mounting areas corresponding to the plurality of first keyswitches, a plurality of first dividing slots extending sequentially along a periphery of at least one first mounting area within a first middle section of the first board portion to separate a first board region and a second board region on the first board portion;
• a second board portion having a plurality of second mounting areas corresponding to the plurality of second keyswitches, a plurality of second dividing slots extending sequentially along a periphery of at least one second mounting area within a second middle section of the second board portion to separate a third board region and a fourth board region on the second board portion;
• and
• a plurality of transverse dividing slots formed separately between the first board portion and the second board portion to separate the first board region and the third board region and separate the second board region and the fourth board region;
• wherein the first board region, the second board region, the third board region, and the fourth board region have at least one feeding point, respectively, to be formed by an injection molding process.