Siam Goshi Manufacturing Co., Ltd. : Aiming to be World’s Best Manufacturer of Exhaust and Body Parts for Motorcycles.
World's Best Manufacturer of Exhaust and Body Parts for Motorcycles.

GOSHI Global Network

"Siam goshi", we are a part of the GOSHI Group (HQ Japan : Goshi Giken Co., Ltd.) undertake the role of a global company provided the business of motorcycle parts, including research & development and manufacturing activities to supplies high quality products for two- and four-wheeled vehicles, general-purpose machines delivery to all around the world. We aiming to be the "world’s best manufacturer of exhaust and body parts for motorcycles" with the challenges for the future.








JAPAN Zone


GOSHI GIKEN CO., LTD. | Japan - Headquarters
Kumamoto, Japan
Company Name Goshi Giken Co., Ltd.
Address Toyooka 1280, Koshi City, Kumamoto Prefecture, Japan 861-1115
TEL | FAX +81-96-248-2431, +81-96-248-3931
Founded November 1974
Start of production April 1976
Capital 500 million yen
Area Land 47,015㎡
Building 33,234㎡
Employees 453 (as of end of March 2020)
Main Products Exhaust muffler assemblies, completed swing arms
Website www.goshigiken.com
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Second factory, Goshi Giken Co., Ltd. | Japan
Kumamoto, Japan
Company Name Second factory, Goshi Giken Co., Ltd.
Address Sakae 3791-11, Koshi City, Kumamoto Prefecture, Japan 861-1113
TEL +81-96-277-1871
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Kikuchi Factory, Goshi Giken Co., Ltd. | Japan
Kumamoto, Japan
Company Name Kikuchi Factory, Goshi Giken Co., Ltd.
Address Kikoji 1750, Kikuchi City, Kumamoto Prefecture, Japan 861-1315
TEL +81-968-24-2151
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Tokyo Office, Goshi Giken Co., Ltd. | Japan
Tokyo, Japan
Company Name Tokyo Office, Goshi Giken Co., Ltd.
Address Comfort Bldg. #201, Mihara, Asaka City, Saitama Prefecture, Japan 351-0025
TEL | FAX +81-48-424-2602, +81-48-424-2603
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Asagiri Factory, Uemura Tec Co., Ltd. | Japan
Kumamoto, Japan
Company Name Asagiri Factory, Uemura Tec Co., Ltd.
Address Ueminami 777, Asagiri Town, Kuma County, Kumamoto Prefecture, Japan 868-0423
TEL +81-966-47-0111
Founded September 1990
Start of production June 1991
Capital 100 million yen
Area Land: 54,600㎡
Building: 15,100㎡
Employees 171 (as of end of March 2020)
Main Products Exhaust pipes, handlebars, undercarriage covers, frame components
Website www.uemuratec.co.jp
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Koshi Factory, Uemura Tec Co., Ltd. | Japan
Kumamoto, Japan
Company Name Koshi Factory, Uemura Tec Co., Ltd.
Address Sakae 3791-11, Koshi City, Kumamoto Prefecture, Japan 861-1113
TEL +81-96-248-7445
Founded February 1997
Start of production August 1997
Employees 54 (as of end of March 2020)
Main Products Plated mufflers, handlebar pipes, exhaust pipe covers, etc.
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SOUTHEAST ASIA Zone


Siam Goshi Manufacturing Co., Ltd. | SGM - Thailand
Rayong, Thailand
Company Name Siam Goshi Manufacturing Co., Ltd.
Address 60 Moo3 Mabyangporn, Pluakdaeng, Rayong 21140, Thailand
TEL +66-38-891289
Founded November 1993
Start of production August 1994
Capital 180 million THB
Area Land: 83,438㎡
Building: 22,964㎡
Employees 1,245 (as of end of March 2020)
Main Products Exhaust muffler assemblies, wheel rim assemblies, completed swing arms
Website www.sgm.co.th
Map
Goshi-Thanglong Auto-Parts Co., Ltd. | GTA - Vietnam
Hanoi, Vietnam
Company Name Goshi-Thanglong Auto-Parts Co., Ltd.
Address No 134, Sai Dong street, 15 Group, Viet Hung Ward, Long Bien District, Ha Noi City, Vietnam
TEL +84-43-8750859
Founded January 1997
Start of production November 1997
Capital 5.7 million USD
Area Land: 39,000㎡
Building: 27,432㎡
Employees 1,482 (as of end of March 2020)
Main Products Exhaust muffler assemblies, wheel rim assemblies, other suspension parts
Website www.goshithanglong.com.vn
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Goshi Philippines, Inc. | GPI - Philippines
Laguna, Philippines
Company Name Goshi Philippines, Inc.
Address 108 North Science Avenue, Laguna, Technopark Binan, Laguna, Philippines
TEL +63‐49-541-2760
Founded April 2016
Start of production April 2016
Capital 242 million PHP
Area Land: 22,887㎡
Building: 15,121㎡
Employees 477 (as of end of March 2020)
Main Products Frame, Body frame, swing arms
Website -
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SOUTH ASIA Zone


Goshi India Auto Parts Private Ltd. | GIA - India
Haryana, India
Company Name Goshi India Auto Parts Private Ltd.
Address P. No 363, 364, Sector 3, Industrial Growth Centre, Bawal, Phase II Dist. Rewari, Haryana, India 123501
TEL +91-1284-264-041
Founded June 2006
Start of production December 2008
Capital 538 million INR
Area Land: 43,200㎡
Building: 28,800㎡
Employees 373 (as of end of March 2020)
Main Products Metal catalyzer (L40/L60/L90/L100 cells、L60/L120 300cells) and, etc., parts
Website goshi-india.com
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