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PROTEG Japan

http://proteg.jp/
The site that supports small and medium size manufacturing industry of Japan.
Metalwork, the business support of the factory.

Please feel free to contact us for anything about screws.
  • Our strengths|We support all kinds of processing of screws.
  • About the made-in-Vietnam products
  • About JIS screw strength/ torque
  • Screw locking
  • Frequently asked questions
  • The flow of request

Inquiry

Sanei co., ltd.

Mail:web@sanei-screw.com

Inquiry form

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