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CNC Machining Suppliers in Japan

142 verified cnc machining suppliers, each matched to its official corporate registration.

Japan's contract machining base is unusually deep in small and mid sized shops that run multi axis work to tight tolerance, often as a second or third generation family business. Buyers come here for repeatability rather than the lowest unit price: a shop that has held the same tolerance on the same part for a decade is common, and process documentation tends to be thorough.

The practical difficulty is that most of these shops publish only in Japanese, quote in yen, and do not staff an export desk. Company names are frequently written only in kanji, which is why a machining supplier that is well known domestically can be effectively invisible in English search. Every company below is matched to its official corporate registration, so you can confirm the legal entity exists before you make contact.

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Frequently asked questions

What tolerance can Japanese CNC machining shops hold?

It varies by shop and by feature. Many general machining shops work comfortably in the hundredths of a millimetre, while dedicated precision shops quote tighter. Treat any tolerance claim as unverified until the supplier confirms it against your drawing, and ask for the inspection method as well as the number.

Do Japanese machining suppliers accept small volumes?

Many do, including single piece prototype work, because the domestic customer base includes equipment builders who order in small lots. Minimum order quantity is set per supplier rather than by industry convention, so it is worth asking directly.

Will a Japanese machining shop work from my drawings?

Working to customer drawings is the normal contract machining model in Japan. Send a dimensioned drawing with tolerances, material specification and surface finish. A 3D file alone often slows the quote because tolerance intent is unclear.

How do I confirm a machining supplier is a real company?

Check the corporate number. Every registered company in Japan has a 13 digit number, and it is shown on each profile page here. You can also run the name through the verification tool on this site.

Before you contact a supplier

Confirm the company is real before you send money or share a drawing. Read how to verify a Japanese company and how to find a manufacturer in Japan, then check any name with the company verification tool.

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