< Welcome! >

Thank you very much for your visit to our home page. We have been producting aluminum castings for over 60 years, and we would like to service to you.
At first, we have produced home utensils e.g. pots and pans, from aircraft's scrap made of duralumin by Mitsubishi Heavy Industries MIZUSHIMA aircaft factory.
Postwar Japan, with the start of auto industry in Jan-1946, we have started producing aluminum casting parts for auto 3-wheeler name MIZUSHIMA.
We are producing automotive parts mainly after this.
In order to introduce our business lines to your company, we would like to contact with you at your convenience.
We would like to offer our products and technical know-how based on our reached 50 years of research and experience.
For your information, we placed our companies' outline in this page.
Your prompt and favorable reply would be greatly appreciated.
Thank you.
Sincerely yours.

Tatsuhiro Ii
President
KYOWA CASTING Co.LTD



< About us>
Kyowa Corporation Shell-molding section Nishi-ebara-cho 5417 Ibara City,Okayama Prefecture Phone (+81) 866(66) 1202 Engineering section Kinoko-cho 2351 Ibara City,Okayama Prefecture Phone (+81) 866(62) 5127
Name:
KYOWA CASTING Co., Ltd
Founded:
Jan-43
Capital:
96,000 thousand yen
President-director:
Tatsuhiro Ii
Location:
Head office/factory
Nishi Ebara-cho 5418-3
Ibara City,Okayama Prefecture
JAPAN
Phone (+81) 866(63) 1211


BISEI factory

Okura 2098
BISEI Town, Oda District, Okayama Prefecture
JAPAN
Phone (+81) 866(87) 3527
Number of employees:
115 (Sep.-2011)
Productive capacity:
700 metric tons a month(weight of works)
Sales volume:
4,300 million yen a year
Main customer:

Mitsubishi Motors Corporation,Ltd

Mazda Corporation,Ltd

JATCO Ltd

NISSAN KOHKI CO.,Ltd

GKN Driveline Japan

Kubota Corporation,Ltd

Exedy Corporation,Ltd

Sumitomo Heavy Industries,Ltd

Glory Corporation,Ltd

Associated companies:
Kyoritsu die casting Corporation
Minagi 1446-4,Soja City,Okayama Prefecture
Phone (+81) 866(99) 2515


Kyowa Corporation

Shell-molding section
Nishi-ebara-cho 5417
Ibara City,Okayama Prefecture
Phone (+81) 866(66) 1202

Engineering section
Kinoko-cho 2351
Ibara City,Okayama Prefecture
Phone (+81) 866(62) 5127


KYOWA CASTING (THAILAND) co.,Ltd

Hemaraj Eastern Seaboard Industrial Estate

THAILAND

Methods ratio by sales:
High pressure die casting 50%
Low pressure casting 25%
Gravity die casting 24%
Sand mold casting 1%
Items ratio:

automotive parts 73%
agricultural machine parts @ 18%
industrial machine parts 1%

the others 8%



< The history of our company >
Jan.-1943
In the past, we have already operated factory of spinning silk thread, but because we followed governmental private sector readjustment, we closed down that business and we changed our companies' name to Kyowa-casting, and we changed business to aluminum casting. And we both produced home utensils and sold.
Jan.-1946
Mitsubishi Motors took in us as an industrial supporting factory, and we started producing automotive parts.
Jul.-1962
We had a capital of 5,300 thousand yen, and we reorganized a firm as a joint-stock corporation. And we introduced die casting machines and low pressure casting machines.
Oct.-1966
We constructed die-casting factory for building more machines, and we divided into factories system for each method.
Aug.-1974
We increased its stock, and we had a capital of 26,000 thousand yen.
Oct.-1974
For the streamlining of management, we constructed low pressure casting factory and gravity casting factory. And we summed up mass-production parts.
Aug.-1980
We increased its stock, and we had a capital of 48,000 thousand yen.
Mar.-1981
We were authorized as a factory quality controlled from Mitsubishi Motors MIZUSHIMA factory with their quality certification system.
Apr.-1981
We were authorized as a heat treatment factory from Mitsubishi Motors quality guarantee headquarters office.
Jan.-1982
We were authorized as a factory quality controlled from Toyo industries (Mazda at present time) with their quality certification system.
Oct.-1982
We introduced shell-molding machines, and we divided them into self-supporting accounting company.
Nov.-1987
We introduced machines making dies, and we divided them into self-supporting accounting company.
Dec.-1987
For the streamlining of management, and for extending business, we constructed BISEI factory. And Gravity-casting section moved to there.
Jul.-1987
We introduced T7 heat treatment furnace.
Sept.-1990
We introduced the first number automatic gravity casting machine in BISEI factory.
Sept.-1991
We increased its stock, and we had a capital of 96,000 thousand yen.
Jan.-1992
We introduced the second number automatic gravity casting machine in BISEI factory.
May. -1992
We introduced the third number ditto.
Oct-1994
We introduced die-casting machine for squeeze method.
Sept.-1998
We constructed the second number low pressure-casting factory, and we started mass-producing low pressure casting works inlet-manifold based on new method.
Jun.-2003 We were certified as having ISO9001:2000 QMS.
Jun.-2005 We were certified as having ISO14001EMS.
Aug.-2011 We constructed THAI FACTORY



< Main plants >

Die casting factory
Other pictures are here.
(Japanese page.)

Continuous quick retention smelting furnace (DAIKI 400kg/h)
Die-casting machine T500( TOSHIBA)
Die-casting machine T650( TOSHIBA)
Die-casting machine T800( TOSHIBA)
Organic sealer impregnating (soaking) apparatus

Gravity casting factory
Other pictures are here.
(Japanese page.)

Continuous quick retention smelting furnace(DAIKI 250kg-500kg/h)
Retention smelting furnace(250kg/batch)
Turn table type automatic gravity casting apparatus
Automatic gravity casting machine
Continuous heat treatment furnace(800kg/h)
Batch type heat treatment furnace(600kg/h)
Inorganic sealer impregnating(=soaking) apparatus

Low pressure casting factory
Other pictures are here.
(Japanese page.)

Tilt-able gas smelting furnace(800kg-1500kg/batch)
Low pressure casting machine(KYOWA 800kg/charge)
Continuous heat treatment furnace(1000kg/h)
Multi-gates low pressure casting machine(KYOWA 80kg/charge)
Continuous quick retention smelting furnace(200kg/h)
Batch type heat treatment furnace
 

Main test and inspection apparatus

X-ray inspection apparatus( SHIMADSU FI-30)
Spectroscopic analysis inspection apparatus( SHIMADSU GQM-1000S)
Static strength inspection apparatus( SHIMADSU UMH-10)
3 axis specification measuring apparatus( MITSUTOYO B241)
Measuring board( OBISHI KEIKI)
Surface roughness measuring device( TOKYO SEMITSU surfcom120A)
Rockwell hardness measuring device(  AKASHI)
Brinell hardness measuring device( TOKYO KOKI)
Microscope for metal( UNION)
Fatigue strength inspection apparatus( SHIMADSU UD50kN-10L)
H2 gas quantity measuring device( TYK KYHS-A2)
Digital high-precision weight-measuring scale( SHIMADSU BX320X)
Industrial endoscope(  ORIMPUS AF6C5~1-8)

Main design and development equipments

CATIA



Our supplier

Kyowa Co.Engineering section

2D and 3D CAD/CAM
NC milling machine
Machining center
Electric discharge machine
Horizontal boring/milling machine
General-purpose milling machine
Radial boring machine

Kyoritu die casting Co.

Die-casting machine T125@- 650

Kyowa Co.Shell-molding section

Shell-molding machine size350 - 600

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