Dust collector includes equipment of BSF series high efficiency cyclone separator, BFD series (quadrate) and BSD series (round) cyclone pulsed fabric bag collector, BRL series rotary dinting machine, etc. Cyclone pulsed fabric bag collector has the function of combining cyclone separation and dust collector into one with higher efficiency and cleaner dust collection. Dinting machine has the characteristics of rational structure, no material jamming, good seal, long bearing service life, etc.