Company Overview

We handle equipment, parts, and regeneration as if the line were our own.

Equipment
Refurbished & used
Parts
OEM & materials
Regeneration
Materials reclaim
ATJ

We work alongside semiconductor manufacturers and their supply partners to deliver qualified parts, evaluated equipment, and regeneration — earned from real purchasing experience, not read off a spec sheet.

Company information

A specialist in semiconductor parts, equipment, and regeneration.

Founded in 2022, ATJ works the way a fab's own purchasing team would — because that's where it started.

NameATJ Manufacturing Co., Ltd.
CEOTJ Ohm
EstablishmentJun. 2022
Address635 Dongtan-daero, Hwaseong-si, Gyeonggi-do
Business unitSemiconductor Equipment Trading
Semiconductor Equipment Refurbishment
OEM & 2nd Source Parts Trading
Semiconductor Parts Regeneration
Global operation

A small footprint, a worldwide reach

Map showing ATJ's operating sites in Dongtan and Austin, with a planned Singapore office SERVING CUSTOMERS WORLDWIDE Dongtan Headquarters Austin, TX Branch office Singapore Planned
Two operating sites today, with a Singapore office in planning — built to support customers in every region we serve.
Planned facility
Expansion

A new hub taking shape in Yongin

Adjacent to Samsung's and SK hynix's newest fabs — positioned as the region's equipment & parts hub.

2027 GROUNDBREAKING · 2028 COMPLETION · 5,000+ m² GFA

Site plan — concept
Zone
Equipment
Zone
Parts
Zone
Regeneration
Why ATJ

What that experience gets you

OEM classification depth

Parts cross-referenced and classified across AMAT, TEL, Lam Research, and ASM platforms.

Export-control literacy

Sourcing decisions made with ECCN and export classification requirements in view from the start.

Engineer's-eye equipment evaluation

Refurbished equipment assessed against process specs, not just listed by asset tag.

Direct North American support

An Austin, Texas branch office for faster response on US transactions.

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