The design of the plastic wood button card of card is introduced

Permanent type button bits designed fit but not easy to be removed, the removable type buckle design is put on, remove the are very convenient. The principle of which is a removable type buckle a cusp out parts attached to the proper Angle of import and export convenient buckle and the action of separation Angle, Angle of import and export Angle directly affects the size of the buckle and the strength of the necessary separation, permanent type of buckle only import Angle without export Angle design, so once the buckle, following parts forming self locked state, not easy to be removed. A: on the introduction of metal stamping parts