Foreign Plants

Tohoku Pioneer has speaker plants in Vietnam and Mexico
to supply high quality products to many regions in the world.

  • Vietnam
  • Mexico

To be a No1 Speaker Factory

Located in Nomura Industrial Park in Haiphong City, Vietnam, where plants of Japanese-affiliated companies are concentrated, local purchasing is easily available due to good logistic conditions.
Tohoku Pioneer Vietnam plant will continuously advance Monodukuri skills and create new values by high-functionality of factory operation, aiming to produce good products persistently.

Name of Company
Tohoku Pioneer (Vietnam) Co,. Ltd.
President
Masahiro Oba
Foundation
2005
Certification
ISO9001
ISO14001
IATF16949

Production Engineering & Production System

Production facility
  • Automation machine developed jointly by Tohoku Pioneer and local facility developer
  • In-process quality management due to prediction and prevention of risks
  • Facility for in-house manufacturing of key components
Product and line design
  • Utilization of VA/VE
  • Failure prediction (FMEA/DRBFM)
  • Joint development of material with parts supplier
  • In-house operation from parts development, product design, and to production line design
Production management
  • AQC system
  • Training system
  • Continuous Kaizen activity based on lean production concept

Evaluations during Development

In-house design and development

Sound quality evaluation
Listening studio (monitor speaker TAD R-1)
Product performance evaluation
Simplified anechoic changer
High speed digital processing sound characteristic frequency analysis device
Speaker parameter measurement device (KLIPPEL)
Magnetic flux density measurement device
Parts development evaluation
High accuracy universal tester
CAD/CAE
Solid works (design & development)
Magnetic flux density analysis software
Strength analysis software
3D printer

Reliability Testing

In-house reliability test and product evaluation

Environmental test device
Temperature chamber (-70 to 200 Celsius degree)
Humidity and temperature chamber (-40 to 100 Celsius degree, 30 to 98% RH)
Temperature cycle test machine
Vibration test machine
Drop test machine
Repetitive operation test machine
Flame and smoke test machine

About Staff

Vietnam plant has a variety of staff including Japanese who have been involved in Monodukuri in foreign countries and local people who graduated university in Japan with Bachelor of Science. They are engaged in production engineering and production, and this allows a solid technical base and mural communication environment. Further, training of staff is enhanced so that our customer can use our products safely.

Our plant has a policy of "independence and self-sustaining" with which local staff are involved in the core operation. We have in-house consistent operations from material development to mass production with an aim to advance day by day such as productivity improvement and self-development of automation machine based on lean production system. We will keep striving for Monodukuri that gives an impression to uses all over the world with a safety and for Hitodukuri which means training and growth of staff for the future.

Masanori Oba, President

Under the supervise of experienced Japanese engineers, Vietnamese engineers plays a main role for local material development and "sound making" based on a various concepts. We have advantages at production Gemba and cooperation with local supplier by locally designing the products to realize timely reaction to our customers' needs and high product quality level.

Ho Ahn, General Manager of Design Department

Safety Training

To be a No1 Speaker Factory

Plant in Mexico is located in Corinas de Lagos Industrial Park near Bajio region where automobile industries cluster, and this gives us a big logistic advantage. Tohoku Pioneer Mexico plant will continuously advance Monodukuri skills and create new values by high-functionality of factory operation, aiming to produce good products persistently.

Name of Company
Tohoku Pioneer de Mexico S.A. de C.V.
President
Kazuyoshi Oyama
Foundation
2016
Certification
ISO9001

Production Engineering & Production System

Production facility
  • In-house developed automation machine
  • In-process quality management due to prediction and prevention of risks
Production management
  • AQC system
  • Training system
  • Continuous Kaizen activity based on lean production concept

About Staff

Vietnam plant has a variety of staff including Japanese who have been involvel in Monodukuri in foreign countries and local people who graduated university in Japan with Bachelor of Science. They are engaged in production engineering and production, and this allows a solid technical base and a mural communication environment. Further, training of staff is enhanced so that our customer can use our products safely.

Our plant produces car speakers for Mexico and North America, and delivery of products to the domestic customers is done by milkrun. Since we are producing close to our customers, we need to keep it in our mind to meet delivery due and to secure high product quality.
For our customers to keep using Pioneer speakers with satisfaction, we will continue building their trust through our Monodukuri.

Kazuyoshi Oyama, President