Crafted by Experienced Engineers
Precision Metal Components
That Power Your Products

OKAYA VIETNAM specializes in metal component machining, supporting everything from difficult-to-machine materials and complex geometries to high-volume production. We aim to be a long-term manufacturing partner that supports our customers’ production needs.
STRENGTH

Why Manufacturers Choose OKAYA VIETNAM

01

Proven Track Record & Reliability
Over 50 Years of Experience in Automotive Parts Manufacturing

The OKAYA Group has built a robust quality management system over 50+ years through partnerships with leading automotive parts manufacturers.

Our Vietnam facility is equipped with over 200 CNC automatic lathes, 80+ inspectors, and advanced measuring equipment, enabling stable production that meets strict quality standards.

With export experience to Japan, China, Thailand, India, the U.S., and Mexico, we also offer direct international trade capabilities in-house.

Flexible Production System
From Small-Batch to Mass Production

OKAYA VIETNAM offers both high-volume production capabilities, developed in the automotive industry, and flexible support for small-lot orders.

We handle a wide range of materials—including aluminum, steel, stainless steel, and brass—and provide integrated secondary processes such as surface treatment through our 20+ years network in Vietnam.

This flexibility allows us to deliver optimal manufacturing solutions tailored to diverse needs, differentiating us from competitors.

02
03

Facilities & Production Capacity
200 CNC Automatic Lathes / 24-Hour Operation

OKAYA VIETNAM specializes in CNC automatic lathe machining and grinding, with approximately 200 machines operating 24/7 to meet diverse production needs.

We handle diameters from Ø2 to Ø38 and process materials such as steel, aluminum, and stainless steel, with capabilities for centerless grinding and barrel polishing.

Our advanced inspection systems—including roundness and 3D optical measurement—ensure consistent quality that meets strict precision standards.

From Material Sourcing
to Fully Integrated Machining

Since our founding, we have built lasting trust with our customers through over 50 years of machining expertise and a strong quality assurance system. By bringing Japanese manufacturing technology to Vietnam, we supply high-quality products worldwide.

Machinable Materials

Steel

Brass

Aluminum

Stainless Steel

High Carbon Steel

Difficult Materials

Metal Machining Challenges
We Can Solve

We provide optimal solutions based on our expertise and experience, tailored to your challenges and needs.

Our Production Capacity
*Average over the past year (FY2025)

Monthly Production Volume

0

million units

Number of Part Types: 560

Why Advanced Metal Machining
Is Possible in Vietnam

Skilled Workforce & Accumulated Know-How

Leveraging years of experience to optimize machining conditions, enabling us to handle difficult materials and complex geometries.

Extensive Machining Experience

With a strong track record in automotive parts, we have handled a wide range of high-precision components and can adapt to challenging requirements.

Flexible Production Process Design

By combining external networks and secondary processes without being bound by standard workflows, we deliver optimized production solutions.

Continuous Improvement

We maintain a system that immediately reflects measurement results into machining conditions, ensuring stable and high-precision production.

Contact Us for Metal Parts Manufacturing in Vietnam

OKAYA VIETNAM specializes in metal component machining, supporting everything from complex materials and shapes to high-volume production. We welcome inquiries for quotations, factory tours, and sample production.

Please Feel Free to Contact Us

PRODUCTS

Metal Machining Examples

Automotive Parts (4-Wheel)

Automotive Parts – Angled Hole / Grinding / Anodizing

Motorcycle Parts

Bicycle Parts – Hex Hole Machining

Industrial Machinery Parts

About Our Machining Equipment

Cincom A20

Made by Citizen Machinery Co., Ltd.

Cincom L20

Made by Citizen Machinery Co., Ltd.

Cincom L32

Made by Citizen Machinery Co., Ltd.

Other Processing Equipment

We operate a wide range of machinery, including lathes, grinding, and polishing equipment. To ensure consistent quality, we also utilize various inspection and measuring instruments. For more details, please see the link below.

Our Quality Control System

ISO 9001–Certified Quality Management System

Comprehensive Visual and Instrument Inspection

Quality Control Customized to Customer Requirements

FAQ

We primarily work with aluminum, steel, stainless steel, and brass, and can also handle difficult-to-machine materials.

We support a wide range of diameters from Ø2 to Ø38.We primarily work with aluminum, steel, stainless steel, and brass, and can also handle difficult-to-machine materials.
We support a wide range of diameters from Ø2 to Ø38.

Yes, we do.

We can flexibly accommodate production volumes ranging from several hundred units to several hundred thousand units.

Yes, we handle direct international trade.

We have export experience to Japan, China, Thailand, India, the United States, and Mexico.

COMPANY

Our Profile

Company

CÔNG TY TNHH OKAYA (VIỆT NAM)
Okaya Vietnam Co.,Ltd

Representative

General Director: Takashi Kato

Business

Manufacturing and sales of precision metal machining and ground components

Established

October 2002

Capital

USD 1,800,000

Employees

340

Phone

+84-28-3770-0498

Certifications

ISO 9001: 2015
ISO 14001: 2015

Major Clients

Nittoku Engineering Systems Co., Ltd. (formerly Nippon Sangyo Tokki)
Astemo Ltd. (formerly Hitachi Astemo)
PHINIA Delphi Automotive Systems
Honda Motor Co., Ltd.
SMC Corporation
Rism Co., Ltd.
Mitsubishi Electric Corporation
Nakabe Kasei Co., Ltd.
Kagoshima Kikai Co., Ltd.
Kato Metal Industries Co., Ltd.

Parent Company

OKAYA SEIKEN CO., LTD.
3-12 Namihama-cho, Kanazawa-ku, Yokohama-shi, Kanagawa 236-0002, Japan
URL: https://www.okaya-seiken.co.jp/

Location

Road No.18, Tan Thuan Export Processing Zone,
Tan Thuan Ward, Ho Chi Minh City, Vietnam

CONTACT

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