Uku mai dunƙule famfosu ne mafi girma ajin mahara dunƙule famfo a sabis a yau. Hakanan ana amfani da su a cikin hanyoyin matatun don samfuran ɗanko mai zafin jiki kamar su kwalta, gindin hasumiya da sauran man mai.
Ana yawan amfani da famfo guda uku don:
lubrication inji
na'ura mai aiki da karfin ruwa elevators
sufurin mai da sabis na kona
injin injin lantarki

Pump-Screw Pump shine ingantacciyar famfo, kuma yana da fa'idodi masu ban mamaki kamar:
tsari mai sauƙi, ƙananan ƙararrawa, ana ba da izinin juyawa a babban gudun, kwanciyar hankali da inganci, da dai sauransu Ta hanyar amfani da ka'idar dunƙule meshing da kuma dogara ga juna meshing na juyawa sukurori a cikin famfo block, da uku dunƙule famfo tsotsa da matsakaici isar. kuma ya rufe shi a cikin rami mai tsinke, sannan ya tura shi zuwa tashar fitarwa tare da jagorar axial na sukurori a cikin sauri iri ɗaya, kuma ya haifar da matsi mai ƙarfi a tashar fitarwa.

Tsarin 3QGB-tsawon zafi mai girmabitumen famfo mai dunƙule ukuci gaba da Sinoroader bayan shekaru masu yawa na bincike inganta hadin gwiwa tsakanin dunƙule da famfo block, da kuma tsakanin tuki dunƙule da kuma kore dunƙule bisa uku dunƙule famfo, domin gane isar og high-zazzabi da kuma high-danko kafofin watsa labarai. Sinoroader bitumen famfo mai dunƙule uku  an fi amfani da shi don haɗar kwalta. Za a iya tsarawa bisa ga halin da abokin ciniki ke ciki, Bakin karfe gear famfo, Yana da cikakken zaɓi na zamiya farashinsa. High danko rufi famfo, Residual famfo ne m, tsawon rai, Kyakkyawan bayyanar.