Turning
Flanges, rings, shafts and cylindrical parts. Face, bore and outside diameter machining.
PRECISION CNC MACHINING · KOREA
Complex shapes.
Drawing-based machining.
Turning, milling and machining center work for custom industrial parts. A directly operated workshop in Ulsan, South Korea, supporting prototypes and small batches.
English company profile · 18-page PDF ↓
YOUNGJIN MACHINE / ULSAN01 / About
A workshop built around your parts.
Established in 2003, Youngjin Machine operates its own machining workshop in Ulsan. We work with steel, stainless steel, aluminum and copper, using conventional lathes, milling machines, an NC mill and a machining center. Welding and assembly can be discussed for individual projects.
2003Established
ULSANUlsan, South Korea
SMALL BATCHCustom and small-batch work
02 / Facilities
Equipment for different operations.
We select equipment after reviewing geometry, workholding, material and inspection requirements. Machine model ratings are not guaranteed finished-part dimensions.
| Equipment | Manufacturer / model | Confirmed description |
|---|---|---|
| Machining center | HWACHEON SIRIUS 1050 | Milling, pockets, stepped surfaces and hole patterns |
| NC milling machine | KIHEUNG COMBI, No. 6 class | NC milling of plates and equipment components |
| Conventional lathe | HWACHEON HL580 | Listed specification: Ø580 × 2,000 mm |
| Conventional milling machine | TAKEDA, No. 5 class | Milling and individual setup work |
| Radial drill | OGAWA D1500 | Drilling operations |
| Electric tapping machine | MRCM | Listed range: M2–M36 |
Actual workpiece size, weight, axis travels and current machine configuration require verification against the machine nameplate/manual and setup. No guaranteed tolerance is inferred from machine specifications.
03 / Capabilities
From round components to milled plates.
Milling & MCT
Plates, slots, pockets, steps and multiple-hole patterns based on customer drawings.
Drilling & tapping
Hole and thread operations reviewed against diameter, depth and thread requirements.
Welding & assembly
Scope, joining method and acceptance requirements agreed for each project.
Steel / Stainless steel / Aluminum / Copper
04 / Machined parts
Parts machined by Youngjin Machine.
Actual workshop photographs. Material grade, dimensions and inspection requirements are confirmed for each enquiry.
Multi-pocket component
Pockets, steps and holes with different depths and orientations.
Curved and stepped component
An arc-shaped profile and stepped machined surfaces.
Internal groove component
Repeated internal grooves and stepped features.
Multi-hole machined plate
Holes of different sizes arranged across machined faces.
Profiled plate
An oval outline, openings and multiple hole features.
Small-batch components
Pocket and hole features across a batch of related parts.
Photographs show actual machined geometry. Material grades, function, tolerances and dimensions are assessed from drawings, not inferred from photographs.
05 / Quality
Quality starts with clear requirements.
We review drawing revisions, material specifications, critical dimensions and inspection criteria before machining. Measurement ranges, calibration status and inspection-report scope are agreed for each project. Process planning follows the requirements agreed with the customer.
- Drawing and revision review
- Process and inspection agreement
- Quotation and delivery conditions
- Manufacturing and agreed verification
06 / Contact
Tell us what you need to make.
Send a general enquiry first. We will agree a suitable confidential drawing exchange method before receiving sensitive files.
Request a quote by email ↗Contact: Changjin Han
+82-10-5948-9836
[email protected]
11, Seonghye 2-gil, Buk-gu, Ulsan, Republic of Korea
For an accurate quotation
- Drawing number and revision, 2D drawing and available 3D data
- Material grade, supply responsibility and certificates
- Quantity and expected repeat orders
- Critical tolerances, datums and inspection criteria
- Surface finish, heat treatment and coating
- Requested delivery date and delivery destination
- Currency, payment terms and delivery terms
Prepare your quotation enquiry
Drawing uploads are not yet open. Please contact [email protected]. Agree a suitable exchange method before sharing confidential information.
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Privacy & drawing handling
No RFQ data or files are transmitted by this preview. Contact by email uses your own email service. Confidential drawing intake, storage location, retention period and access permissions will be agreed before operation. Please do not send confidential drawings until an approved exchange method is confirmed.