Shortest delivery time: next day! We can harden even a single pin. Please leave precision machining before and after heat treatment to us. *Free estimates available.
Our company has a "Precision Machining Division" and a "Special Heat Treatment Division," and we carry out processing with a highly advanced integrated production system. We are fully equipped with heat treatment facilities, so we can handle all processes including quenching and tempering (hardening), hardening, annealing, salt bath quenching, carburizing, oxidation-free quenching, and vacuum quenching. 【Features】 ■ Short delivery times We ship the next day for orders received by 15:00*1 ■ Capable of small lot production We can perform quenching even for a single pin ■ Professional precision machining before and after heat treatment NC lathe, machining center, gun drilling, grinding, and lapping finish *For more details, please refer to the PDF or feel free to contact us. *Factory tours are also welcome.
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*1...However, this excludes cases where SKH hardening, nitriding, and carburizing prevention are present.
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【Major Clients】 Mitsui Engineering & Shipbuilding Co., Ltd., Mitsubishi Heavy Industries, Ltd., Hitachi Zosen Corporation, IHI Power Systems Co., Ltd., Inoue Special Steel Co., Ltd., Kitagawa Iron Works Co., Ltd., Takizawa Iron Works Co., Ltd., Anyo Co., Ltd., Core Tech Co., Ltd., Nabtesco Corporation, TS Precision Co., Ltd., DMG Mori Seiki Co., Ltd., Hanshin Internal Combustion Engine Works Co., Ltd.
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Toyo Seiki Sangyo Co., Ltd. is a company engaged in the manufacturing and assembly of precision machine parts and marine internal combustion engine parts, as well as metal heat treatment. With a long track record and strong trust as a precision machinery manufacturer, we provide higher quality services through initiatives such as the joint promotion of sales strategies in the machinery manufacturing industry. For precision machining and special heat treatment, please feel free to contact us, as we take pride in our integrated production system that ensures high quality and short delivery times.