A11VO75 Piston Pump Series

A11VO75DRS+A11VO75DRS
A11VO75DRS/10R-NTD12K81
A11VO75DRS/10R-NZD12N00
A11VO75DRS/10L-NZD12N00
A11VO75DRS/10L-NZD12K02
A11VO75DRS/10R-NZD12K02
A11VO75DRS/10R-NSD12K04
A11VO75DRS+A11VO75DR
A11VO75DRS/10L-NZD12K81
A11VO75DRS/10+A11VO40DRS/10-K
A11VO75DRS/10R-NTD12K04
A11VO75DRS/10R-NZD12K07
A11VO75DRS/10L-NSD12K01
A11VO75DRS/10L-NSD12N00
A11VO75DRS/10L-NSD12K02
A11VO75DRS/10L-NTD12K02
A11VO75DRS/10L-NTD12K02-K
A11VO75DRS/10L-NTD12K81
A11VO75DRS/10L-NTD12K86
A11VO75DRS/10+A11VO75DRS/10-K
A11VO75DRS/10L-NTD12N00
A11VO75DRS/10R-NPD12K07
A11VO75DRS/10L-NSD12K07
A11VO75DRS/10L-NZD12K01
A11VO75DRS/10R-NZD12K81
A11VO75DRS/10R-NZD12N00-S
A11VO75DRS/10R-VZD12K81-S
A11VO75DRS/10R-VZD12K02-S
A11VO75DRS/10R-VZD12K07-S
A11VO75DRS/10R+A4VG71HW/32R
A11VO75DRS/10L-NTD12K07
A11VO75DRS/10L-NTD12K04
A11VO75DRS/10R-NTD12K07
A11VO75DRS/10R-NSD12K01-K
A11VO75DRS/10L-NSD12K04
A11VO75DRSP/10R-NSD12K02-S
A11VO75DRS/10L-NSD12K86
A11VO75DRS/10L-NZD12N00-S
A11VO75DRS/10R-NZD12K02-S
A11VO75DRS/10L-VZD12K02-S
A11VO75DRS/10L-NZD12K04
A11VO75DRS/10R-NZD12K04
A11VO75DRS/10L-NSD12K52
A11VO75DRS/10R+A4VG71DA2D2/32R
A11VO75DRS/10R-NSD12N00
A11VO75DRS/10R-NZD12K86
A11VO75DRS/10L+A10VO45DRG/31L-AZPF
A11VO75DRS/10R-NSD12K01
A11VO75DRS/10L-NZD12K07
A11VO75DRS/10R-NSD12K02
A11VO75DRS/10R-PZD12N00
A11VO75DRS/10R-NZD12K80R
A11VO75DRS/10R-NTD12K02
A11VO75DRS/10R-NZD12K61
A11VO75DRS/10L-NSD12N00*GO2EU*
A11VO75DRS/10R-NSD12N00*GO2EU*
A11VO75DRS/10R-NPD12N00
A11VO75DRS/10R-NTD12K61-Y
A11VO75DRS/10R-NZD12K79
A11VO75DRS/10R+A10VO28DFR+A10VO28DR
A11VO75DRS/10R-NTD12N00
A11VO75DRS/10R-NXD12K02-S
A11VO75DRS/10R+A4VG56EP4D1/32R+A10VG28EP
A11VO75DRS/10R+A10VO28DFR/31R+A10VO28DR/
A11VO75DRS/10R-NTD12K01
A11VO75DRS/10R-NXD12K04-S
A11VO75DRS/10R-NXD12N00-S
A11VO75DRS/10R-NSD12K07
A11VO75DRS/10R-NPD12K01
A11VO75DRS/10R-NZD12K01
A11VO75DRS/10L-NXD12K02-S
A11VO75DRS/10L-PSD12K04
A11VO75DRS/10L-NXD12N00-S
A11VO75DRS/10L-VZD12K02-Y
A11VO75DRS/10L-NZD12K01-S
A11VO75HD1D/10R-NSD12N00
A11VO75HD1D/10L-NSD12N00
A11VO75HD1D/10L-NZD12K01
A11VO75HD1D/10L-NZD12K04
A11VO75HD1D+A10VO45DFR
A11VO75HD1D/10L-NZD12K81
A11VO75HD1D/10L+A11VO75HD1D/10L
A11VO75HD1D/10R+A11VO75HD1D/10R
A11VO75HD1D/10R-NZD12K81
A11VO75HD1D/10R-NZD12K01
A11VO75HD1D/10L-NZD12K01-S
A11VO75HD1D/10L-NZD12K02
A11VO75HD1D/10R-NZD12N00
A11VO75LR/10R-NPD12N00
A11VO75LRDU2/10R-NZD12K01
A11VO75LRDC+A11VO75LRDC
A11VO75LRDC/10R-NZD12N00
A11VO75LRDS/10L-NZD12K01
A11VO75LRCS+A10VO28DFLR
A11VO75LRCS/10R-NZD12K02-S
A11VO75LRDG/10R-NPD12N00
A11VO75LRDH1/10R-NZD12K01
A11VO75LRDU2/10+A4VG28MS/30
A11VO75LRDH2+A11VO75LRDH2
A11VO75LRDH2/10R-NZD12K81
A11VO75LRDH2/10R-NZD12K02
A11VO75LRDU2/10L-NZD12K04
A11VO75LRDH2/10R-NZD12K04
A11VO75LRDH2/10L-NZD12K81
A11VO75LRDH2/10L-NZD12K02
A11VO75LRDH2/10R-NZD12K04-S
A11VO75LRDS/10R-NPD12K04
A11VO75LRDS/10R-NSD12K86
A11VO75LRDS+A11VO75LRDS
A11VO75LRG/10R-NPD12K02-K
A11VO75LRDS/10+A11VO75LRDS/10-K
A11VO75LRDS/10R-NSD12K02
A11VO75LRDH6/10R-NPD12K01
A11VO75LRDS/10R-PSD12N00-S
A11VO75LRDH2/10R-NSD12N00
A11VO75LRDS/10R-NSD12K02-K
A11VO75LRH1+A11VO75LRH1
A11VO75LRH1/10R-NZD12K81
A11VO75LRH1/10R-NZD12N00
A11VO75LRDG/10R-NPD12N00-S
A11VO75LRDU2/10+A4VG40DWDM/32
A11VO75LRDU2/10R-NZD12K07
A11VO75LRU2/10R-NZD12N00
A11VO75LRDG/10L-NSD12K01
A11VO75LRDG/10L-NZD12K80
A11VO75LRD/10R-NZD12K02
A11VO75LRDS/10R-NZD12K04
A11VO75LRS/10R-NZD12N00
A11VO75LRU2+A11VO75LRU2
A11VO75LRU2/10R-NZD12K81
A11VO75LR/10R-NPD12K01
A11VO75LR/10R-NPD12K01-K
A11VO75LRDS/10R-NSD12K01
A11VO75LRDS/10L-NSD12N00
A11VO75LRDH2/10R-NSD12K01
A11VO75LRDU2/10+A4VG28DWD1/32L
A11VO75LR/10L-NZD12N00
A11VO75LRDS/10R-NPD12K01
A11VO75LRDS/10L-NSD12K01
A11VO75LRDC+A11VO75LRDC+A10VG45NVM1
A11VO75LR3S/10R-NSD12K02-K
A11VO75LR3S/10R-NSD12K02
A11VO75LRDH2/10R-NSD12K01-K
A11VO75LRCS/11L-NZD12K02-S
A11VO75LRDS/10R-NZD12K61
A11VO75LRDS+A11VO60DRG
A11VO75LRU1+A11VO75LRU1
A11VO75LRU1/10R-NPD12K81
A11VO75LRU1/10R-NZD12N00
A11VO75LRDS/10R-NPD12K86
A11VO75LRDS/10R-NTD12K86
A11VO75LRDH1/10R-NSD12K04
A11VO75LRU1/10R-NPD12K81H
A11VO75LRU1/10R-NZD12N00H
A11VO75LRCS/10R-NZD12K04
A11VO75LRU2/10R-NZD12N00H
A11VO75LRDU2/10R-NZD12K01H
A11VO75LRDU2/10L-NZD12K04H
A11VO75LRDU2/10+A4VG28HWD1/32L
A11VO75LRDU2/10R-NZD12K07H
A11VO75LRDU2/10R+A4VG40DWDM/32
A11VO75LRU2/10R-NZD12K81H
A11VO75LRCS/10R-NSD12K02-S
A11VO75LRD/10R-NSD12N00
A11VO75LRH6/10L-NSD12K01
A11VO75LR/10R-NSD12N00
A11VO75LRU2/10R-NPD12N00
A11VO75LRU2/10R-NPD12N00H
A11VO75LRDU2/10L-NTD12K01H-K
A11VO75LRDU2/10L-NTD12K01H
A11VO75LRDU2/10R-NPD12N00VH-S
A11VO75LR3S/10R-NZD12K01
A11VO75LR3S/10R-NZD12K01-K
A11VO75LR/10R-NSD12K01
A11VO75LR/10R-NZD12N00
A11VO75LRDU2/10L-NZD12K01H
A11VO75LRDU2/10L-NZD12K01H-K
A11VO75LRDU2/10L-NZD12N00VH-S
A11VO75LRDU2/10R-NZD12N00VH-S
A11VO75LRDU2/10R-NPD12N00H
A11VO75LRDU2/10R-NZD12K02H
A11VO75LRDU2/10R-NZD12N00P
A11VO75LRDU2/10R-NZD12K02T-S
A11VO75LRDU2/10R-NZD12K02P-S
A11VO75LRDU2/10R-NSD12K01P
A11VO75LRDU2/10L-NZD12N00P-S
A11VO75LRDU2/10+A11VO75LRDU2/10-K
A11VO75LRDU2/10R-NZD12K81P
A11VO75LRDU2/10R-NZD12K02P
A11VO75LRDU2/10R-NPD12K02VH-S+AZPG-22
A11VO75LRDU2/10R-NPD12K02VH-S
A11VO75LRDU2/10L-NZD12K01P
PUMP COMBINATION
A11VO75LRDU2/10R+AZPG12-056RDC07KB
A11VO75LRDU2/10R-NZD12K01P
A11VO75LRDU2/10L-NZD12N00VH
A11VO75LRDU2/10R-NZD12N00VH
A11VO75LRDU2/10R-NZD12N00VH-Y
A11VO75LRDU2/10L-NZD12N00VH-Y
A11VO75LRDU2+A11VO75LRDU2+AZPN-11-032RDC
A11VO75LRDCS/10R-NZD12K81
A11VO75LRDCS/10R-NZD12N00
A11VO75LRDCS+A11VO75LRDCS
A11VO75LRDCS+A10VO45DFLR
A11VO75LRDCS/10R-NZD12K02-S
A11VO75LRDC/10R-NZD12K04
A11VO75LRDCS/10R-NZD12K02
A11VO75LRDCS+A10VO28DFLR
A11VO75LRDC/10R-NZD12K81
A11VO75LRDC+A11VO75LRDC+A10VG45HDM1
A11VO75LRDS+A10VO45ED72
A11VO75LRDS/10R-NSD12N00-S
A11VO75LRDS/10R-NSD12N00BR-BEIJ-1
A11VO75LRDS/10R-NZD12K01-K
A11VO75LRDS/10L-NZD12K02
A11VO75LRDS/10R-NPD12N00R
A11VO75LRDS/10R-NSD12N00-Y
A11VO75LRDS/10R-NPD12N00
A11VO75LRDS/10R-NZD12N00
A11VO75LRDS/10L-NPD12K01
A11VO75LRDS/10R-NSD12N00
A11VO75LRDS/10R-NZD12K81
A11VO75LRDS/10R-NZD12K79
A11VO75LRDS/10R-PSD12N00
A11VO75LRDS/10R-NZD12K81V
A11VO75LRDS/10R-NZD12K02V
A11VO75LRDS/10L-NZD12K81V
A11VO75LRDS/10L-NZD12K02V
A11VO75LRDS/10R-NZD12K04V
A11VO75LRDS+A11VO75LRDS+A10VO45DR
A11VO75LRDS/10R-NSD12K01-S
A11VO75LRDS/10R+A11VO75LRDS/10R+AZPN
A11VO75LRDS/10R-NZD12K01
A11VO75LRDS/10R-NZD12K02
A11VO75LRDS/10R-NSD12K02-S
A11VO75LRDS/10L-NZD12N00
A11VO75LRDG/10R-VSD12N00
A11VO75LRDH1/10L-NZD12K81
A11VO75LRDH1/10L-NZD12K04
A11VO75LRDH1/10L-NZD12K02
A11VO75LRDH1/10R-NZD12N00
A11VO75LRDH1/10L-NZD12N00
A11VO75LRDH1/10R-NSD12N00
A11VO75LRDH1/10L-NSD12N00
A11VO75LRDH2/10R+ALA10VO45DFLR/31R
A11VO75LRDH2/10R-NPD12K81
A11VO75LRDH2/10R-NZD12K01
A11VO75LRDH2/10R-NZD12N00
A11VO75LRDH2/10R-NPD12N00
A11VO75LRDH2/10L-NZD12N00
A11VO75LRDH2/10L-NPD12N00
A11VO75LRDH2/10R-NZD12K01E
A11VO75LRDH2/10R-NZD12K07
A11VO75LRDH2/10R-NZD12K01-K
A11VO75LRCS/10L-NZD12K04
A11VO75LRCS/10L-NZD12K02-S
A11VO75LRU2/10R+A11VO75LRU2/10R
A11VO75LR3S/10R-NZD12N00
A11VO75LR3S/10R-NZD12K02
A11VO75LG1/10L-NZD12K61-S
A11VO75LG1/10L-NZD12N00-S
A11VO75LG1D/10L-NZD12K81-S
A11VO75LG1D/10L-NZD12N00-S
A11VO75LG1+A11VO60LG1D
A11VO75LG1D+A11VO75LG1D
A11VO75LG1DH1/10R-NTD12K81
A11VO75LG1DC+A11VO75LRDC
A11VO75LG1DC/10R-NZD12K81
A11VO75LG1H6/10L-NSD12K02
A11VO75LG1DH6/10L-NZD12K01
A11VO75LG1DH6/10L-NZD12K04
A11VO75LG1DH6/10L-XZD12K01-S
A11VO75LG1DH6/10L-XZD12K04-S
A11VO75LG1DH6+A11VO40LRDU2
A11VO75LG1DU2/10R+A11VO75LG1DU2/10R-K
A11VO75LG1DU2/10R-NSD12K86RP
A11VO75LG1DU2/10R-NSD12K01RP
A11VO75LG1CS/10R-NZD12K07
A11VO75LG1E+A11VO60LRD
A11VO75LG1E/10L-NZD12K61
A11VO75LG1CS+A10VO28DFLR
A11VO75LG1CS/10R-NZD12K02
A11VO75LG1E/10L-NZD12N00
A11VO75DR/10R-NPD12N00
A11VO75DR/10L-NZD12N00
A11VO75DR/10+A4VG71EP2/32-K
A11VO75DR/10R-NPD12N00V
A11VO75DR/10R-NTD12N00
A11VO75DR/10R-NSD12K07
A11VO75DR/10R-NSD12K02
A11VO75DR/10R-NSD12N00
A11VO75DR/10R-NTD12K04
A11VO75DR/10R-NPD12K86E
A11VO75DR/10R-NSD12K04E
A11VO75DR/10R-NPD12K04E
A11VO75DR/10R+A4VG28EP2/32R
A11VO75DR/10R-NPD12K04
A11VO75DR/10L-NSD12K07
A11VO75DR/10R-NPD12N00V-S
A11VO75DR/10R+A4VG28EP4/32R
A11VO75DR/10+A4VG71EP4/32-K
A11VO75DR/10L-NSD12N00
A11VO75DR/10L-NSD12K02
A11VO75DR/10R-NZD12N00
A11VO75DR/10R-NPD12N00R
A11VO75DRL/10L-NSD12K01V
A11VO75DRL/10R-NPD12N00
A11VO75DRL/10R-NPD12K07
A11VO75DRL/10L-NSD12K07
A11VO75DRL/10L-NTD12K01V
A11VO75DRG/10R-NPD12N00
A11VO75DRG/10L-VZD12N00-S
A11VO75DRG/10L-NTD12K04
A11VO75DRG/10R-NSD12N00
A11VO75DRG/10R-NSD12N00-S
A11VO75DRG/10L-NZD12K04
A11VO75DRG/10R-NPD12KXXV-S
A11VO75DRG/10+A2FO23/61
A11VO75DRG/10L-NZD12K81
A11VO75DRG/10L-NZD12K02
A11VO75DRG/10L-NSD12K02
A11VO75DRG/10R-NZD12N00
A11VO75DRG/10L-NZD12K07
A11VO75DRG/10L-NTD12K80
A11VO75DRG/10L+A4VG40EP4DT1/32
A11VO75DRG/10L-NSD12N00
A11VO75DRG/10L-NSD12N00-S
A11VO75DRG/10R-NZD12K81
A11VO75DRG+A11VO75EP2G+A10VO100DFR1
A11VO75DRG/10L-NZD12K04-S
A11VO75DRG/10L+A4VG40EP4DT1/32L
A11VO75DRG/10L-NZD12N00-S
A11VO75DRG/10L-NZD12N00R-S
A11VO75DRG/10L-NTD12K81
A11VO75DRG/10L-NZD12N00
A11VO75DRG+A11VO75DRG
A11VO75DRG/10L-NSD12K04
A11VO75DRG+A10VO45DFR
A11VO75DRX/10L-VSD12N00-S
A11VO75DRX/10L-VZD12N00-S
A11VO75DRX/10R-VZD12K81-S
A11VO75DRX/10R-VZD12K02-S
A11VO75DRX+A11VO75DRX
A11VO75DRX/10L-XZD12N00-S
A11VO75DRX/10L-VZD12K02-S
A11VO75DRX/10L-NSD12K02-S
A11VO75DRX/10R-VZD12N00-S
A11VO75EP2D/10R-NZD12K01E
A11VO75EP2D/10R-NZD12K04E
A11VO75EP2D/10L-NSD12N00-S
A11VO75EP2D/10R-NZD12N00E
A11VO75EP2D/10R-NTD12K07
A11VO75EP2D/10R-NZD12K07
A11VO75EP2D/10R-NPD12N00
A11VO75EP2D/10R-NPD12K04
A11VO75EP2D/10R-NZD12K01
A11VO75EP2D/10R-NSD12K02
A11VO75EP2D/10R-NZD12K01EH
A11VO75EP2D/10R-NZD12K04EH
A11VO75EP2D/10R-NZD12N00EH
A11VO75EP2D/10R-NTD12K07H
A11VO75EP2D/10R-NZD12K07H
A11VO75EP2D/10R-NPD12N00H
A11VO75EP2D/10R-NPD12K04H
A11VO75EP2D/10R-NZD12K01H
A11VO75EP2D/10R-NSD12K02H
A11VO75EP2D/10R-NZD12K07EH
A11VO75EP2D/10L-NSD12N00H
A11VO75EP2D/10R-NZD12K02H
A11VO75EP2D/10L-NSD12N00H-S
A11VO75EP2D/10R-NPD12N00-S
A11VO75EP2D/10R-NZD12N00H
A11VO75EP2D/10R-NPD12N00H-S
A11VO75EP2D/10R-NZD12N00P
A11VO75EP2D+A11VO75EP2D
A11VO75EP2D/10R-NZD12K81H
A11VO75EP2D/10R-NZD12K02T
A11VO75EP2D/10R-NSD12N00H
A11VO75EP2D/10L-NZD12K02H
A11VO75EP2D/10L-NZD12K02H-K
A11VO75EP2D/10R-NPD12K04H-S
A11VO75EP2D/10R-NZD12K61P
A11VO75EP2D/10R-NSD12K01H
A11VO75EP2D/10L-NZD12K81H
A11VO75EP2D/10L-NZD12N00H
A11VO75EP2D/10L-VZD12K02P-S
A11VO75EP2D/10R-NSD12N00P
A11VO75EP2D/10R-NZD12K02H-S
A11VO75EP2D/10L-NZD12K81P
A11VO75EP2D/10R+A11VO75EP2D/10R-K
A11VO75EP2D/10R-NZD12K81RP
A11VO75EP2D/10R-NZD12K01RP
A11VO75EP2D/10R-NZD12N00RP
A11VO75EP2D/10L-NZD12K61H
A11VO75EP2D/10L+A4VG71EP4D1/32L
A11VO75EP2D/10R-NZD12K01XP-S
A11VO75EP2D/10R-NZD12K02P
A11VO75EP2D/10R-NZD12K02P-K
A11VO75EP2D/10R-NZD12K01XH-S
A11VO75EP2D/10R-NZD12N00XH-S
A11VO75EP2D/10L-NZD12N00P
A11VO75EP2D/10R-NZD12K81P
A11VO75EP2D/10R-NPD12K04H-Y
A11VO75EP2D/10R-NZD12K01P
A11VO75EP2D/10R+AZPN-22-032R
A11VO75EP2D/10L-NZD12K61P
A11VO75EP2D/10L-NZD12K02P
A11VO75EP2D/10R-NPD12K01P
A11VO75EP2D/10R-NZD12K79H
A11VO75EP2D/10R-VZD12N00P
A11VO75EP2D/10R-NZD12K04RP
A11VO75EP2D/10R-NZD12K07P-Y
A11VO75EP2D/10L-NSD12N00P
A11VO75EP2D/10R+AZPFFF-12-014/011/005RRR
A11VO75EP2D/10R-NZD12K07E
A11VO75EP2D/10L-NSD12N00
A11VO75EP2D/10R-NZD12K02
A11VO75EP2/10R-NPD12K01
A11VO75EP2/10R-NZD12K81
A11VO75EP2/10R-NZD12N00
A11VO75EP2/10R-NZD12K01
A11VO75EP2/10R-NPD12K01H
A11VO75EP2/10R-NZD12K81H
A11VO75EP2/10R-NZD12N00H
A11VO75EP2/10R-NZD12K01H
A11VO75EP2/10L-NZD12K02H
A11VO75EP2/10R-NZD12K02H
A11VO75EP2/10R-NZD12N00H-S
A11VO75EP2/10R-NPD12N00H
A11VO75EP2/10R-NZD12K02H-K
A11VO75EP2/10R-NSD12K07H
A11VO75EP2/10R-VPD12N00RH-S
A11VO75EP2/10R-NSD12K07
A11VO75EP2/10L-NZD12K02H-K
A11VO75EP2/10R-NTD12K81H
A11VO75EP2/10R-NTD12K07H
A11VO75EP2/10R-NSD12K86H-S
A11VO75EP2/10L-NPD12N00H
A11VO75EP2/10R-NPD12N00P
A11VO75EP2/10R-NZD12K81P
A11VO75EP2/10R-NZD12K01P
A11VO75EP2/10R-NZD12N00P-Y
A11VO75EP2/10L-NZD12K02
A11VO75EP2/10L-NZD12K02-K
A11VO75EP2/10L-NZD12N00-S
A11VO75EP2/10R-NZD12K02-K
A11VO75EP2/10R-NZD12K02
A11VO75EP2/10R-NZD12N00-S
A11VO75EP2/10R-NPD12N00
A11VO75EP2G/10R-NPD12K01
A11VO75EP2G/10R-NPD12K04
A11VO75EP2G+A11VO40DRG+A10VG28/10
A11VO75EP2G/10L-NSD12N00-S
A11VO75EP2G/10R-NZD12N00-S
A11VO75EP2G/10R-NPD12K01H
A11VO75EP2G/10R-NPD12K04H
A11VO75EP2G/10L-NSD12N00H-S
A11VO75EP2G/10R-NZD12N00H-S
A11VO75EP2G+A11VO75EP2G
A11VO75EP2G/10R-NTD12K81H
A11VO75EP2G/10R-NZD12K01H
A11VO75EP2G/10R-NZD12K07H
A11VO75EP2G/10R-NZD12K81H-S
A11VO75EP2G/10R-NZD12K04H-S
A11VO75EP2G/10R-NZD12K81P
A11VO75EP2G/10R-NZD12K01P
A11VO75EP2G/10R-NZD12K81H-Y
A11VO75EP2G/10R-NZD12K07RP-Y
A11VO75EP2G/10R-NSD12K01P
A11VO75EP2G/10L-NZD12K81H
A11VO75EP2G/10L-NZD12K01H
A11VO75EP2G/10L+A11VO75EP2G/10L
A11VO75EP2G/10L-NZD12N00H

Shenzhen Aotuoshi Hydraulic Machinery Co., Ltd. was established on March 27, 2013. It is a comprehensive hydraulic service enterprise integrating R&D, manufacturing, maintenance and sales of hydraulic pumps, motors and valves. Products and technologies are widely used in various industries such as mining machinery, marine machinery, construction machinery, power plant equipment, injection molding machines, die-casting machines, iron and steel plants, etc., hydraulic system project transformation, hydraulic system upgrade and optimization, energy-saving and speed-up transformation.