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YUJIN TECH

BUSINESS

The entire precision-machining process
as one seamless technology flow

From cutting to precision machining, bonding, dedicated parts and jigs —
five core capabilities proven on the shop floor.

Waterjet Cutting work image

WATERJET CUTTING

Waterjet Cutting

Precisely cuts everything from metal to glass, stone and resin with ultra-high-pressure water and abrasive, without heat distortion.

CORE FEATURES

  • Ultra-high-pressure cold cutting, 60,000 PSI class
  • Multi-head & automation program operation
  • Repeatability ±0.05 mm
  • Excellent cut surface with minimal burrs
  • Processing up to 15,000 × 5,000 mm

APPLICATIONS

  • Ferrous, non-ferrous & high-hardness materials
  • Glass, stone, resin & composites
  • Thin & thick plates
  • Multi-layer & stacked materials
Ceramic Metallizing work image

CERAMIC METALLIZING

Ceramic Metallizing

Prints and coats Mo-Mn paste on ceramic surfaces, then forms a metal bonding layer through reduction firing and plating.

CORE FEATURES

  • Mo-Mn & Silver metallizing
  • Brazing & soldering
  • Electroplating & electroless plating
  • High bonding strength & uniform thickness
  • Reliable vacuum sealing

APPLICATIONS

  • Ceramic 92% / 96% / 99%
  • Zirconia
  • Cu · Kovar · Steel
  • Ceramic substrate circuits
  • Heater electrodes & plasma circuits
Router work image

ROUTER

Router

Precisely machines large plates, non-ferrous metals and plastics with a router, supporting high-quality finishing.

CORE FEATURES

  • Supports up to 1,500 × 3,000 mm
  • Repeatability ±0.05 mm
  • Minimal heat distortion & machining stress
  • Reduced finishing & machining cost
  • Large products & mass production

APPLICATIONS

  • Al · Cu · Brass
  • PC · PE & plastics
  • Industrial plates & precision parts
  • Mass-production jigs
Nozzle work image

WATERJET NOZZLE

Nozzle

Supplies carbide nozzles dedicated to waterjets, supporting stable service life and consistent cutting quality.

CORE FEATURES

  • Waterjet-dedicated design
  • Carbide material
  • Stable product quality

APPLICATIONS

  • Waterjet cutters
  • Precision cutting processes
  • Consumable part replacement
Jig work image

CUSTOM JIG

Jig

Improves workpiece fixturing and positioning accuracy to ensure stability, productivity and cost efficiency in repetitive work.

CORE FEATURES

  • Secures workpiece fixturing & positioning accuracy
  • Minimizes deviation in repetitive machining
  • Improves mass-production productivity
  • Reduces machining cost
  • CAD-based custom fabrication per shape

APPLICATIONS

  • Router repetitive machining
  • Al · SUS · SS
  • Ceramic · PE · PP
  • Cu & composite materials

PRODUCT

Real equipment and machined results
show the range of our technology

SJA-50150 equipment

15,000 × 5,000 mm

SJA-50150

An ultra-large waterjet solution for cutting large materials and long parts.

SJA-4070 equipment

7,000 × 4,000 mm

SJA-4070

A waterjet solution for cutting wide large plates and industrial parts.

SJA-4020II equipment

4,000 × 2,000 mm

SJA-4020II

A waterjet solution for cutting 4,000 mm plates and precision parts.

SJA-3040 equipment

4,000 × 3,000 mm

SJA-3040

A waterjet solution for cutting near-square large materials and various shapes.

SJA-2030 equipment

3,000 × 2,000 mm

SJA-2030

A waterjet solution for precision cutting and repetitive production of various industrial materials.

Key Features

    Specifications

    SERVICE

    From drawing and material
    through to the production floor

    Based on our in-house technology and equipment,
    we carry out machining processes fit for your purpose.

    1. Precision Waterjet Cutting

      Precisely cuts various materials with 0.01–250 mm thickness and a work area up to 15,000 × 5,000 mm.

    2. Router Machining

      Finish-machines large plates and aluminum, copper, brass and plastic materials.

    3. Special Material Machining

      Machines materials that are hard to handle with ordinary tools, such as glass, stone, resin and carbon.

    4. Custom Fabrication

      Performs purpose-fit machining based on drawings, materials, quantity and required precision.

    5. Jig Design & Use

      Designs and builds dedicated jigs for workpiece fixturing and repeatable positioning accuracy.

    6. Ceramic Metallizing

      Provides printing/coating, reduction firing, plating and metal brazing on ceramic surfaces.

    CERTIFICATION

    Official certifications and IP
    that prove our technology and quality

    INNO-BIZ Certificate (Technology Innovation SME)
    CERTIFICATEINNO-BIZ Certificate (Technology Innovation SME)
    Women-owned Business Certificate
    CERTIFICATEWomen-owned Business Certificate
    Venture Business Certificate
    CERTIFICATEVenture Business Certificate
    Materials & Components Specialized Company Certificate
    CERTIFICATEMaterials & Components Specialized Company Certificate
    ISO 9001:2015 Certificate
    CERTIFICATEISO 9001:2015 Certificate
    SME Certificate (for bidding)
    CERTIFICATESME Certificate (for bidding)
    SME Certificate (bidding, others)
    CERTIFICATESME Certificate (bidding, others)
    Corporate R&D Center Certificate
    CERTIFICATECorporate R&D Center Certificate
    Patent No. 10-1717567
    CERTIFICATEPatent No. 10-1717567
    Patent No. 10-1145904
    CERTIFICATEPatent No. 10-1145904
    Patent No. 10-1339654
    CERTIFICATEPatent No. 10-1339654
    Trademark Reg. No. 40-1267426
    CERTIFICATETrademark Reg. No. 40-1267426
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