EN
JP
CN
recruit
Proto manufacturing
about us
Business services
service
Until product completion
flow
Case study
works
Company
company
Contact
contact
Proto manufacturing
about us
Business services
service
Until product completion
flow
Case study
works
Company
company
Contact
contact
EN
JP
CN
WORKS
事例紹介
アルミAC/鋳鉄FC/鋳鋼FCD
Valve body
Transmission
Cylinder head cover
Clutch housing
HV dedicated transmission
Mission cover
Gearbox
Motor water cooling case