Certified and registered as a "Japan Waterworks Association Inspection Factory" and "Fukuoka City Waterworks Bureau Designated Factory" in Kyushu!
Nakano Bolt Factory Co., Ltd. is a bolt manufacturer registered as a testing factory by the Japan Water Works Association (registered in June 1973). To be registered as a "Japan Water Works Association Testing Factory," it must meet standards equivalent to JIS. Since it is drinking water that we consume daily, strict standards are set to prevent health hazards due to defective bolts. *For more details, please refer to the PDF document or feel free to contact us.
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Our company primarily manufactures and sells bolts used in the fields of civil engineering, construction, steelmaking, shipbuilding, and railways, and recently, they have been used not only domestically but also in overseas railways. Utilizing our greatest strength, "hot forging technology," we are committed to creating precise and flexible products every day, so please feel free to contact us with your requests.