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  1. Home
  2. Machine elements and parts
  3. CASTEM
Machine elements and parts
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CASTEM

EstablishmentFebruary 7, 1970
capital7996Ten thousand
number of employees335
addressHiroshima/Fukuyama-shi/1808-1 Mikuyacho Nakatsuhara
phone084-955-2475
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last updated:Oct 31, 2025
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  • Products/Services(60)
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CASTEM Company Profile

A lost-wax precision casting company with 55 years of experience. With technology that has been elevated by "one more step," we empower the people who create things.

With a posture of "just half a step" without complacency, we have cultivated "lost wax precision casting" over many years. Utilizing 3D printing technology, we offer next-generation precision casting technology called "Digital Cast." We obtained a U.S. patent for "MIM (Metal Injection Molding)" in 1991. We provide optimal proposals using various technologies and thoroughly support our customers' manufacturing! We specialize in complex three-dimensional shapes in small lots of various types and carry out everything from mold making to casting, machining, and simple assembly in an integrated in-house system. We supply products to various industries, including medical devices, semiconductors, machine tools, and aerospace. "Just make it, from one piece." We can propose a wide range of manufacturing methods from prototype production of one piece to mass production. We also enable time savings in searching for various suppliers and considering consultation destinations, becoming a true total cost reduction partner by proposing reductions in management costs related to consideration time and product costs. More than half a century ago, Castem began its casting business by handcrafting machine tools. Today, we have become a leading company in Japan for manufacturing general industrial components using lost wax casting and are also engaged in the production of micro lenses and micro needles using the world's highest precision 3D light shaping technology.

Business Activities

■Lost wax precision casting ■MIM (Metal Injection Molding) ■Digital fabrication (Metal 3D printed products, mold-less cast products) ■Resin printer (ultra-fine 3D modeling nanoscribe, color 3D printing) ■CT scan (non-destructive testing) services

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Products/Services (60)

Prototyping ultra-fine parts with the world's highest precision 3D light curing technology. product image
Prototyping ultra-fine parts with the world's highest precision 3D light curing technology.
Mass production of complex-shaped parts with mold plans tailored to your needs! product image
Mass production of complex-shaped parts with mold plans tailored to your needs!
For lightweight and mass production of small metal parts, choose MIM (Metal Injection Molding). product image
For lightweight and mass production of small metal parts, choose MIM (Metal Injection Molding).
What can be done with MIM (Metal Injection Molding) product image
What can be done with MIM (Metal Injection Molding)

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catalog(5)

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Lost wax, MIM materials

Lost wax, MIM materials

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Technical Data (Detailed Information)

Technical Data (Detailed Information)

TECHNICAL
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Foundry's Crafting Recipe

Foundry's Crafting Recipe

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If it's a trial type, the mold cost starts from 190,000 yen.

If it's a trial type, the mold cost starts from 190,000 yen.

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news(7)

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Castem Co., Ltd. showcases ultra-fine processing technology at MECT2025, featuring an exhibition of miniature surgical instruments and mold processing demonstrations.

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Castem Co., Ltd. will exhibit at "Mechatrotech Japan 2025," which will be held at Port Messe Nagoya from October 22 (Wednesday) to October 25 (Friday), 2025. In the themed exhibition zone "Processing Techniques Supporting Healthcare," we will showcase a miniature model of a laparoscopic surgical instrument (forceps) that has been meticulously crafted. In collaboration with ROKKO Smart Technology Co., Ltd., we will demonstrate the mold processing of the finest components of this miniature model using the ultra-high precision high-speed micro-machining machine "Android3." Attendees will have the opportunity to directly experience our "technological prowess encapsulated in a tiny world." We invite you to stop by during this special occasion! 【Exhibition Overview】 Date: October 22 (Wednesday) to October 25 (Saturday), 2025, 10:00 AM to 5:00 PM Venue: Port Messe Nagoya (2-2 Kanjo Futo, Minato Ward, Nagoya City) Exhibition Location: 3rd Exhibition Hall, Concept Zone A Content: Organizer's planned exhibition "Machining Live! Processing Techniques Supporting Healthcare - Learning Success Tips from Different Industries -" - Display of a laparoscopic surgical set approximately 95 mm in length - Demonstration of mold processing using Android3 and seminars - Display of other miniature products, MIM products, digital cast products, etc.

Oct 17, 2025

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[Castem Co., Ltd.] "From the Development Stage to Cast Products" Notice of Participation in the Kansai Machine Element Technology Exhibition

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Castem Co., Ltd. will exhibit at the "Monozukuri World Osaka - Mechanical Components Technology Exhibition" held at Intex Osaka from October 1 (Wednesday) to October 3 (Friday), 2025. We will showcase lost-wax precision casting and MIM (Metal Injection Molding) products, as well as introduce our new technology, mold-less casting "Digital Cast." In addition to our popular casting demonstrations, we will present case studies that solve issues related to metal parts. Please utilize our "Technical Consultation Booth" to learn about optimal manufacturing methods tailored to your needs, from ultra-small lots to mass production. 【Exhibition Overview】 Dates: October 1 (Wednesday) to October 3 (Friday), 2025, 10:00 AM to 5:00 PM Venue: Intex Osaka (1-5-102 Nanko-Kita, Suminoe-ku, Osaka City, Osaka Prefecture) Exhibition Booth Number: Hall 6, B Hall 51-1 Pre-registration allows for smooth entry. It is convenient to register via the URL below before your visit. We sincerely look forward to your attendance. https://www.manufacturing-world.jp/osaka/ja-jp/register.html?code=1431877272389396-VEK

Sep 26, 2025

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Notice of Obon Holiday from Castem Co., Ltd.

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We sincerely thank you for your continued patronage. We regret to inform you that we will be closed during the Obon holiday period as follows: ● Closure Period: August 9, 2025 (Saturday) to August 17, 2025 (Sunday) Inquiries received during the closure period will be addressed sequentially starting from August 18, 2025 (Monday). We apologize for any inconvenience this may cause and appreciate your understanding. ● Orders placed through our online shop "IRON FACTORY" and the Rakuten shopping site "CASTEM" will still be accepted via the internet during the closure period. Product shipping and inquiries will be addressed sequentially starting from August 18, 2025 (Monday). We appreciate your understanding and cooperation.

Aug 01, 2025

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Detailed information

Company name CASTEM
number of employees335
Contact addresspostalcode 720-0004 Hiroshima/ Fukuyama-shi/ 1808-1 Mikuyacho NakatsuharaView on map TEL:084-955-2475 FAX:084-955-2065
Industry Machine elements and parts
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