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FAQ - Business transactions

This is a list of frequently asked questions about doing business with Tokkin.

If you have a question about a topic that is not covered here, please don't hesitate to contact us.

Do you have catalogue and leaflet?


Please click on the link below to proceed to download page.


Technical catalogue (Japanese)

60 pages catalogue which contains helpful information such characteristics of each material, weight and length conversion table, list of material’s strength and glossary of terms.

Download here (Jump to Japanese website)


Leaflet of each material(Japanese, English, Korean and Chinese)

Leaflet which contains information on characteristic and comparison data of each material.

As for some materials, English, Korean and Chinese leaflet is available.

Download here(Jump to Japanese website)


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What kind of information does the Technical Catalog contain?

・Available thickness and width tolerances (Tokkin can manufacture products with tolerances that are stricter than JIS standards)

・List of material strength characteristics

・List of material strength characteristics


Our Technical Catalog also contains information that is not available on this website.

It is a great resource, and can be downloaded from the link below.


Click here to download our Technical Catalog.

How soon should I expect to receive a reply after making an inquiry?

In most cases, you should receive a reply (an initial response) on the same day you submit your inquiry.

If you are in a hurry, please give us a call.


*Inquiries received on days when we are closed for business (e.g. weekends and holidays) or outside regular opening hours will be responded to on the following working day at the earliest.

I have a technical matter I would like to inquire about. Who should I ask to speak to when I call?

All telephone calls are initially answered by one of our receptionists. If you would like to consult us about a specific technical issue, please ask to speak to a sales rep to arrange a meeting.

Feel free to ask us about any metal-related problems.

We’d like to make prototypes before mass production. Can you make samples?

Yes. We can prepare a single postcard-sized sample depending on availability. Contact us for details.

We fine-tune specifications based on the results of prototype assessment.

Is it possible to deal with you directly without going through an intermediary like a trading company?

Yes. We deal directly with a variety of firms. If you would rather deal with a preferred trading company or other intermediary firm, we will be happy to do so. Please let our sales team know if you would prefer such an arrangement.

What are your payment conditions for first-time customers?

As a general rule, we require a deposit or payment via PayPal.


Click here for more information.