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Latest update： 27/04/2017 14:03:09
Kyowa Kougyosyo Co., Ltd.
We are a specialized bolt maker that possesses cold forging and hot forging technologies.
Our company manufactures hexagon bolts, hex socket head cap bolts, and other bolts through cold forging and hot forging. Our integrated production system covers from raw materials to heat treatment. Our products are sold to the construction machinery, automobile, and industrial machinery industries. Our company’s heading technology allows us to manufacture and sell headed parts for automobiles. We have two lines in our heading facility: one for cold forging and the other for hot forging. This allows us to manufacture various products from M6 to M72 in high-mix low-volume production. We recently established an integrated production system for gear products, which covers all processes from raw materials to machining, carbonitriding, and grinding.
[Company strength] Our heading facility consists of 2 lines: one for cold forging and the other for hot forging. This allows us to manufacture various products from M6 to M72 in high-mix low-volume production. [Business description] Our company is a bolt maker. We manufacture hexagon bolts, hex socket head cap bolts, and other special bolts through cold forging and hot forging. Our bolts are produced under an integrated production system from raw materials to heat treatment. They are sold to the construction machinery, automobile, and industrial machinery industries. Our heading technology allows us to manufacture and sell headed parts for automobiles. We recently established an integrated production system for gear products, which covers all the processes from raw material to machining, carbonitriding, and grinding. [Industry] Metal product manufacturing [Strength of products/technologies] Shoe bolts (M12 to M36) in caterpillar running crawler belts for construction machinery (bulldozers and power shovels) are required to have high strength of 1100 MPa to 1300 MPa. Our company was early to adopt medium carbon boron steel, and our products are recognized for their cost effectiveness, cold and hot forging technology, and uniform, high quality heat treatment. We now receive orders from all major Japanese construction machinery makers. [Representative's message] Our company established a global distribution system to follow our customers moving overseas, which uses our headquarters as the focal point. We intend to enhance our technological strength for bolts as well as for gears. This will be done so that we can contribute to the development of both industries by continuing to supply high quality products for years to come. [Company structure for market development/overseas expansion] Our sales representatives generally have 5 years of field experience, and they are capable of submitting quotes after clarifying the customer’s needs and conveying them to engineers. Our Chinese plant functions as a point of contact regarding overseas expansion, especially in China, and we have a sufficient number of staff in charge of sales promotion. [Market share/Ranking] We are a leading manufacturer of construction machinery bolts. [Awards and media coverage] [Awards] Deming Prize for Execution (SME Award, 1980); The Medium and Small Business Research Institute Award (regional award, 1992); and so on. [Media] Tokyo Broadcasting System Television, “Gacchiri Monday,” as a supporting partner for Komatsu (December 16, 2007). [Authorization/Certification] Acquired NVLAP certification (for FQA); ISO 9001 and 14001 certifications; TPM Excellence Award (Category 2). [Joint research and development] Joint development with the National Institute for Materials Science (NIMS) and Fusokiko. We established a warm forging technology in which steel material is fabricated into bolts at a higher temperature than cold forging for conventional bolts. This is done using ultra-high-strength steel developed by NIMS. The resulting ultra-high-strength bolts realized a proof stress of 1800 MPa in the tension test, indicating that they are 10 times stronger and safer than conventional bolts. [Factory (domestic)] Ishikawa [Factory (overseas)] China [Main Clients / Business History (domestic)] Komatsu; Hitachi Construction Machinery; Kobelco Construction Machinery; Kobelco Cranes; Caterpillar Japan; Furukawa Rock Drill; Kawasaki Heavy Industries; Sumitomo (S.H.I.) Construction Machinery; Mitsubishi Heavy Industries; Tadano; Kato Works; Sakai Heavy Industries; Yanmar; IHI Construction Machinery; Takeuchi Manufacturing; UniCarieers; Mitsubishi Nichiyu Forklift; Maeda Seisakusho; Okada Aiyon; Topy Industries; MetalTex; Sanwa Buhin; Art Japan; Maruma; Daihatsu Diesel; Jatco; Univance; Aisin AI; Unipres; Suzuki Auto Parts Toyama Manufacturing.; J-Bus; Trantechs; Aichi Machine Industry; Fusokiko. [Main Clients / Business History (overseas)] Komatsu (US, Europe, China, Southeast Asia, India); Kobelco Construction Machinery (US, Europe, China, India, Thailand); Topy Industries (China, US); Kato Works (China). [Exhibition History/Information] Business Creation Fair (annual event held in May; Kanazawa City, Ishikawa Prefecture).
This company is recommended by the following support organizations.
- Hokuriku Head Office, SMRJ