Consistent support from design to production! We solve customer problems with a wide range of services, from ultra-short delivery times starting from just one piece to mass production. *Proven track record in automotive and industrial equipment.
～ To those who are troubled by the loss of their Thomson processing subcontractor... ~ Seiei Co., Ltd. accepts processing of rubber, Thomson die-cutting, and gaskets from large to small lots. We flexibly respond to composite materials and can handle everything from design to production. Regarding Thomson processing, we can also accommodate high-volume cutting and processing for clean rooms. In this document, we introduce examples of rubber processed products and Thomson die-cut products that we have handled so far. 【Supported Materials】 ■ Various metals, resins, and rubber * We are receiving an increasing number of inquiries due to a shortage of processing companies! * For contract manufacturing and processing, please feel free to consult us using the inquiry form below.
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basic information
[About Seiei] Our company specializes in contract processing of metals, resins, and rubber, and we also sell industrial products such as gaskets, O-rings, packing, and cork, as well as educational materials. We are confident in our ability to respond quickly, leveraging our extensive network! Please feel free to contact us. *For inquiries about contract production and processing, please feel free to consult us using the contact form below.
Price range
Delivery Time
Applications/Examples of results
For inquiries about contract manufacturing and processing, please feel free to contact us using the inquiry form.
Detailed information
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Joint sheet (water jet processing)
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Urethane rubber conveyor equipment parts (90-degree milling)
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Thomson die-cut processing Packings for industrial equipment Rubber, sponge, etc.
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Packing for industrial equipment 1 ⇒ Thomson die-cutting processing
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Packing for industrial equipment 2 ⇒ Thomson die-cutting processing
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Large diameter piping flange type ⇒ Thomson die-cutting process
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Shaft bearings for plants (machined)
catalog（1）
Download All Catalogs![[Case Study Collection] Metal, Resin, Rubber, Thomson Processing, Special Products *Total of 28 cases](https://image.www.ipros.com/public/catalog/image/01/f51/468852/IPROS70687678461330640749.jpeg?w=120&h=170)
Company information
Seiei Co., Ltd. specializes in contract processing of metals, resins, and rubber, as well as Thomson die-cutting, and we accept orders with ultra-short lead times, starting from just one piece, thanks to our extensive network! Additionally, we can handle everything from production to on-site construction, and we have a proven track record with the Toyota Group and major general contractors. Please feel free to contact us with your inquiries.