Anyị na-eche echiche: 1.sand cutting (ígwè isi awọ, anucidige ígwè, aluminom, wdg, nchara, nchara, wdg.) 3. Asambodo Disc (Aluminom, Ginc)) : Ubi, mmiri Ụkpụrụ ụlọ, igwe, ọgwụ; Ngwa nri, valves na ndị ọzọ. Ihe anyị ji aluminom; Ọla ọcha; Ọla; Ọla kọpa; carbon steel; igwe anaghị agba nchara na nke dị ka oge ahụ, anyị nwere ike inye cnc machiny; Phsph. Nhazi BlackEnding; na-ekpo ọkụ na-ekpo ọkụ: Efere mkpuchi: Eserese: ịkọwapụta ndị ahịa. A na-ere ngwaahịa 85% na esenidụt, ndị ahịa si America, Canada, Europe Union, wdg.