Happy Product

Casting for the Future

Happy Product

With the aim of expanding the potential of casting in this global age,
the Happy Group’s four casting-related companies
have merged to form HappyProduct, Inc.

We are determined to combine technologies of each of the companies
and to pursue high-grade, highly-efficient manufacturing (“monozukuri”) of products
for which casting is a core manufacturing technology.

We are committed to add technological innovations to the rich history of casting
and to prevail as a leader in devising new potentials.
We are dedicated to creating casting for the future, and to bring breakthrough “products”
and ultimately new “happiness” to people around the world.
We aim to sustain our status as a company our clients believe to be indispensable.
We are embarking on a new chapter toward a big dream.

We will greatly appreciate your understanding and support to HappyProduct.


Corporate name HappyProduct, Inc.
Chief Executive Officer Keitaro Harada
President and
Kazuhiko Kaneda
Address 1213-1 Tachiyagawa 2-chome, Yamagata-shi, Yamagata, 990-2251 Japan
Established June 12, 1941
Capital 70 million yen
Number of
201 (as of December 2019)
  • Development and design of casting products and materials
  • Manufacture and sale of cast parts
  • Processing, assembly and sale of automotive parts, industrial machinery parts and other parts



HappyProduct Inc.

Go to the website of formerly Harachu Co., Ltd.
Go to the website of formerly Okura Seiki Corporation.

HappyJapan Inc.

Go to the website of HappyJapan Inc.

Happy Kyowa Corporation



Taiwan Happy
Sewing Machine Mfg. Co., Ltd.


Shanghai Happy Trading Co., Ltd.



Go to the website of HARACHU (THAILAND) CO.,LTD.


HappyProduct Inc. head office

1213-1 Tachiyagawa 2-chome, Yamagata-shi, Yamagata, 990-2251 Japan



Inquiries by phone


Please contact us by using the following phone numbers
(9 a.m. ‒ 5 p.m. weekdays, Japan time).

Inquiries by E-mail

or affiliation

Privacy Policy

Privacy Policy

This site is operated by HappyProduct, Inc. (hereinafter “the Company” ).
The Company pays careful attention to the protection of information related to customer privacy.
To this effect, the Company has stipulated the following standards, based on the “Guidelines for the Protection of Personal Information Related to Electronic Data Processing in the Private Sector” published by the Ministry of International Trade and Industry (Ministry of International Trade and Industry Announcement No. 98, March 4, 1997), and is committed to further improving the quality of their implementation and control.

When using this site, customers shall not normally be required to provide personal information such as their name or address.
The Company shall appropriately control any personal information submitted by customers, within reasonable bounds. The Company shall also strive to protect personal customer information from unauthorized external access through the implementation of an appropriate and reasonable level of security measures.
The Company shall appropriately control personal customer information, and shall not disclose or provide personal information to a third party unless one or more of the following conditions apply:

  • When consent and/or approval has been received from the customer in advance
  • When disclosure is required by law
  • When the information is disclosed in a manner where personal identification is not possible
  • When the Company is required to disclose and/or provide information to subcontractors

In such cases, subcontractors shall be required to appropriately control personal customer information.
The Company will periodically email useful information to customers regarding products or site services. Such email notifications shall be halted upon request from the customer.
The Company shall promptly respond to customer requests to view, confirm, or modify their own personal information, within reasonable bounds.
The Company shall comply with laws applicable to personal customer information, and shall modify the above standards as necessary.