Ruijiezhuang ƒe 1999 ƒe ɣleti gbãtɔ me.Bei . la, wole susu hem yi Dɔwɔnu siwo wotsɔna tsɔa amewoe ƒe wɔwɔme, woƒe wɔwɔme kple wo wɔwɔ dzi ƒe 15 kple edzivɔe nye sia, eye wòkpɔ kuxi si nye be woatsɔ nuwo ayi na asisiwo ƒe dɔwɔƒe alafa geɖe le dukɔa me godoo le dɔwɔƒe vovovowo me la gbɔ.
Wotrɔ asi le míaƒe dɔwɔnuwo ŋu na nu gbogbowo tsɔtsɔ yi teƒe bubuwo kple wo ŋu kɔklɔ nyuie, si wɔnɛ be wowɔa dɔ nyuie.
Screw conveyor : Eƒua du nyuie eye wòsɔ na nu vovovowo tsɔtsɔ yi na amewo.
Wheel sand shashing machine : Na dzadzɛnyenye nyuie kple eŋu kɔklɔ nyuie.
Spiral sand shashing machine : dɔwɔwɔ ƒe ŋutete gã kple zazã vovovowo.
Reciprocating feeder : bearing ƒe ŋutete gã, lolome sue, beléle na bɔbɔe.