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  3. 小山
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小山

EstablishmentDecember 26, 1957
capital3000Ten thousand
number of employees100
addressTokyo/Shinjuku-ku/2-5-2 Hyakunincho
phone03-3363-3711
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last updated:Jul 18, 2025
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小山 List of Products and Services

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Fastening parts Fastening parts
Assembly, inspection equipment, tools Assembly, inspection equipment, tools
Precision machining and molded products Precision machining and molded products
Safety, Protection, Environmental Products Safety, Protection, Environmental Products
Automated transport robot "Souther" Automated transport robot "Souther"
Loosening prevention processing Loosening prevention processing
Safety,

Safety, Protection, Environmental Products

Safety, Protection, Environmental Products

Limited time offer: Would you like to try assembling a clean booth with a DIY feel?

If you're worried that hiring a contractor is expensive, then why not assemble it yourself?

◎ The Koyama Booth is easy to assemble and install!  ▶▶ With a simple design, even first-timers can easily assemble it while referring to the manual. *Estimated time required: about 1 hour with 2 adults.    The frame is made of lightweight aluminum, making it easy to move after assembly. ◎ The Koyama Booth doesn't take up much space!  ▶▶ Easy assembly means easy disassembly as well. When not in use, it can be stored away, contributing to space-saving on site. ◎ The Koyama Booth has amazing purification effects!  ▶▶ It uses a high-performance HEPA filter in the fan filter unit. *Filter replacement estimate: every 3 to 5 years.    It operates on standard household AC 100V, so you can plug it directly into an outlet. ◎ The Koyama Booth is energy-efficient!  ▶▶ When multiple fan filter units are installed, for example, during nighttime work storage when there are fewer sources of contamination, you can operate only the necessary number of units. ◎ The Koyama Booth is affordable and quick!  ▶▶ By standardizing and mass-producing parts, the price is less than half of the conventional cost, and it can be delivered in about a week after ordering. 【Information】 If you scroll down, you will find the catalog listed under "Applications / Examples," so please take a look at it.

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Explosion-proof vacuum cleaner Tiger-Vac for use in clean rooms.

High-performance cleaner for clean rooms, static electricity countermeasures, and explosion-proof applications.

●This is an explosion-proof and fire-proof vacuum cleaner certified by an approved testing laboratory, in accordance with legal regulations. ●It can also be used in clean rooms and pharmaceutical factories. ●Regarding static electricity measures, it is grounded through the suction inlet, hose, and main body, allowing even slight static electricity to dissipate quickly. *For more details, please refer to the catalog. For inquiries, please contact Koyama Co., Ltd.*

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Industrial Hand Cleaner "Lucky Boy Eco Surf A"

Factory hand cleaner that takes into consideration environmental aspects and safety.

★We use biodegradable scrubs (crystal cellulose) as raw materials, taking into consideration environmental aspects and safety. ★It contains a special scrub (a scrub that biodegrades in soil and water) that effectively removes oil stains, carbon, ink, and other residues stuck between fingerprints and under nails. ★The special scrub is relatively light and easily washed away by water, preventing accumulation in wash areas or clogging of drainage pipes, keeping the workplace clean. ★It is a hand cleaner made from natural high-grade alcohol-based surfactants that are gentle on the skin. *For more details, please refer to the catalog. For inquiries, please contact Koyama Co., Ltd.*

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Koyama Co., Ltd. Company Profile

We are a specialized trading company that solves customer problems in a wide range of fields related to manufacturing!

Koyama Co., Ltd. is a specialized trading company that handles a wide range of industrial materials, including screws, cold-formed parts, springs, and pressed parts. We offer a diverse array of products such as fastening components, various metal processed products, and resin cutting and molding products. Additionally, we also provide our original product, the "Screw Tightening Reminder Counter." 【Business Activities】 ■ Screws, cold-formed parts, springs and pressed parts, precision machined parts, adhesives, sealants, machine tools, labor-saving equipment, design and development of AGVs and peripheral equipment, precision molded products, static electricity countermeasures, development and sales of environmental improvement products, electronic components, connectors, wire and harness processing. *For more details, please refer to our catalog or contact Koyama Co., Ltd.

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"Leave it to us for items used in clean rooms" - Electrostatic control products.

Contributing to a safe and comfortable working environment through the development of various products and a diverse range of offerings!

We would like to introduce the "Electrostatic Control Products and Cleanroom Supplies" that we handle. We offer a lineup of products from manufacturers such as Achilles, Azone, Sakae, Vessel, Hozen, and Hakko, as well as Gardner. Please feel free to contact us when you need assistance. 【Manufacturers We Handle (Partial)】 ■ Achilles ■ Azone ■ Sakae ■ Vessel ■ Hozen *For more details, please download the PDF or feel free to contact us.

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