Elastic cylindrical pins feem ntau yog puag ncig hauv qhov tsos thiab muaj li ntawm plaub yam khoom siv

Elastic cylindrical pins feem ntau yog puag ncig hauv qhov tsos thiab muaj plaub yam khoom siv, uas yog pins, riveting poob lawm, springs, pin taub hau, thiab riveting teeb nrog grooves.