Manufacture of cast parts for automobiles, construction machinery, and machine element parts
Production and finishing of casting materials (aluminum, cast iron) for EV motor-related parts, transmission-related parts, hydraulic machine parts, etc.
We manufacture casting materials (material: aluminum, cast iron)
Main Products to Exhibit (in English)
Automotive Parts
"HOUSING" for EV motors
"CYLINDER HEAD" for gasoline engine
"COVER" for thin-walled casting
”BLOCK VALBE"
"IMPELLER" for hydraulic equipment parts
Company Characteristics and Strength
Proto Co., Ltd. is a manufacturer that develops cast parts prototypes and responds to small-lot mass-produced products.
From material production to finish processing, we provide integrated services.
We also support the development of new products and new technology with our casting know-how and experience in domestic and overseas delivery.