Daiwa Kogyo Co., Ltd.

Daiwa Kogyo Co., Ltd. is a Japanese manufacturer of hollow rivets based in Kawagoe, Saitama. According to its official website, the company was separated and established as a rivet factory from Daiwa Sangyo Co., Ltd. in Showa 42 (1967). It produces rivets by cold heading, forging wire material with a header machine. Its ultra-fine-hole hollow rivet was certified as part of the Kawagoe manufacturing brand KOEDO E-PRO in 2013, and the company was designated as a 'Sainokuni Factory' by the Saitama Prefecture governor in the same year.

Daiwa Kogyo Co., Ltd. was separated and established as a rivet factory from Daiwa Sangyo Co., Ltd. in Showa 42 (1967). The company manufactures rivets by cold heading, forging wire material with a header machine. In 2012, it relocated to 205-1 Fukuda, Kawagoe, Saitama. In 2013, its ultra-fine-hole hollow rivet was certified as part of the Kawagoe manufacturing brand KOEDO E-PRO, and the company was designated as a 'Sainokuni Factory' by the Saitama Prefecture governor. In 2015, Kenji Nagoya became Representative Director, and in 2021, Tsutomu Iwata became Representative Director.

Manufacturer of hollow rivets emphasizing reliable monozukuri and quality.

• Hollow rivets

  Rivets manufactured by cold heading, forging wire material with a header machine.

• Ultra-fine-hole hollow rivets

  Certified as part of the Kawagoe manufacturing brand KOEDO E-PRO in 2013.

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