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      • Enameling, Ceramic
      • Nano Coating
      • Anti-Tarnish Coating
    • Gemstone / Diamond
      • Jeweler’s Loupe
      • Gem Gauge
      • Gem Microscope
      • Gem Tweezers & Gem Tray
      • Diamond Inscription Viewer
      • Polarized Lenses
      • Gemological Refractometer
      • Polariscope
      • Gem scale
      • Density Balance
      • Diamond Tester
      • Diamond Screening Device
      • FT-IR Spectrometer
      • Raman spectrometer
      • Diamond Fluorescence Tester
      • XRF Gemstone Analyzer
      • Diamond Girdle Laser Engraving Machine
      • UV Lamp & UV Light Box
      • Gemstone Counter
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      • Semi-precious Stone
      • Diamond
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      • Amber
      • Moissanite
      • CZ (Cubic Zirconia)
    • Precious Metal Recovery & Gold refining
      • Centralized Dust Collection System for Jewelry Polishing Stations
      • Mechanical processing
      • Shredder
      • Incineration-plants
      • Pyrolysis furnace
      • Ashes-Melting-Furnaces
      • Precious Metals Chemical Refining
      • Electrolysis Process
      • Electrowinning Machine
      • Candle Filters for Precious Metals & Catalyst Filtration
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Posts by [email protected] Linh

Home » Archives for [email protected] Linh
Are Diamond Testers Accurate?
author-avatar [email protected] Linh
Diamonds – Natural & Synthetic Gemstones, Knowledge & Training, Technology news

Are Diamond Testers Accurate? 7 Factors That Can Cause Errors

Diamond testers are commonly used for quick screening at gold shops and jewelry stores. These devices can provide reliable results within their intended testing...
Continue reading
When Should Gold Shops Buy a Laser Welding Machine?
author-avatar [email protected] Linh
Technology news

When Should Gold Shops Buy a Laser Welding Machine?

For many gold shops, jewelry repair is an important part of daily operations. Customers may bring in cracked rings, broken chains, damaged clasps, or loose smal...
Continue reading
Jewelry Laser Welding Machine for Jewelry Workshops
author-avatar [email protected] Linh
Technology news

Jewelry Laser Welding Machine for Jewelry Workshops

In jewelry manufacturing, even a small welding spot can affect product quality. For rings, necklaces, earrings, and fine details, welding requires high precisio...
Continue reading
https://dctech.online/may-xrf-de-ban-phan-tich-theo-tieu-chuan-rohs-spectrax-30/
author-avatar [email protected] Linh
Knowledge, Knowledge & Training, Technology news

How Do FDI Factories Proactively Conduct RoHS Testing?

For FDI enterprises in electronics, components, plastics, cables, or industrial equipment manufacturing, controlling hazardous substances in accordance with RoH...
Continue reading
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Recent Posts
  • Are Diamond Testers Accurate?
    Are Diamond Testers Accurate? 7 Factors That Can Cause Errors
    02/07/2026 No Comments
  • When Should Gold Shops Buy a Laser Welding Machine?
    When Should Gold Shops Buy a Laser Welding Machine?
    03/06/2026 No Comments
  • Jewelry Laser Welding Machine for Jewelry Workshops
    Jewelry Laser Welding Machine for Jewelry Workshops
    01/06/2026 No Comments

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  • Home
  • About us
    • Back
    • Our story
    • Our standards
    • Partners
    • Customers
    • R&D (OEM Services)
    • Digital Transformation
  • Supermarket
    • Back
    • Jewelry industry
    • Gemological Equipment
    • Electroplating industry
    • Precision Casting Industry
    • Metal analyzer
    • Dentistry
    • Materials & Metals
  • Jewelry Store
    • Back
    • 3D Modeling
      • Back
      • 3D Jewelry Modeling
      • 3D Jewelry Printer
    • Welding
      • Back
      • LaserX Welding Machine (OEM)
      • Jewelry TIG Welder
      • Parts & Components
    • Laser Cutting, Engraving
      • Back
      • LaserX Engraving Machine (OEM)
      • Parts & Components
    • Tools and Equipment
      • Back
      • Jeweler’s Saw Blade
      • Tools
      • Ring mandrel
      • Parts & Components
    • Ultrasonic Cleaning
      • Back
      • Ultrasonic Cleaner
      • Ultrasonic Machine
      • Steam cleaner
      • Ultrasonic Cleaning Solution
      • Centrifugal Dryer
    • Electroplating
      • Back
      • Mini Electroplating Machine
      • Plating Tank
      • Rectifier
      • Electrode
      • Heating
      • Electroplating Chemicals
      • Parts & Components
    • Measurement & Analysis
      • Back
      • Benchtop XRF Analyzer
      • Digital scale
      • Parts & Components
    • Gemstone / Diamond
      • Back
      • Jeweler’s Loupe
      • Gem Gauge
      • Gem Microscope
      • Gem Tweezers & Gem Tray
      • Diamond Inscription Viewer
      • Gem scale
      • Density Balance
      • Diamond Tester
      • Diamond Screening Device
      • UV Lamp & UV Light Box
      • Components Diamond
    • Display Box, Catalogue
      • Back
      • Jewelry Box
      • Gift Box
      • Display Box
      • Jewellery and Watch Catalogue
  • Dental
    • Back
    • 3D Jewelry Modeling
    • Jewelry 3D Scanner
    • 3D Printer
    • Dental Alloy
    • Dental Handpiece
    • Dental Casting Investment
    • Ultrasonic Cleaning
  • Production
    • Back
    • 3D Design & 3D Modeling
      • Back
      • 3D Jewelry Modeling
      • Jewelry 3D Scanner
      • Resin 3D Printer
      • 3D Wax Printer
      • Resin
      • Printable Wax 3D
      • UV Curing Oven
    • Casting & Metallurgy
      • Back
      • Investment
      • Wax
      • Silicon
      • Red Gold Alloy
      • White Gold Section
      • Anti-Tarnishing Section
      • Silver Material
      • Silver Section
      • Copper Material
      • Casting Brass
      • Automatic Rubber Molding Press
      • Wax Injector
      • Investment Mixing Machine
      • Investment Furnace
      • Casting Furnaces
      • Melting Furnace
      • Continuous Casting Furnaces
      • Semifinished Annealing
      • Continuous wire and stripes annealing furnace
    • Chain Work & Chain Manufacturing
      • Back
      • Rolling Mill
      • Wire Rolling Mill – Fine Wire Drawing Machine
      • Tube Rolling Machine
      • Hollow Tube Coiling Machine
      • Blanking Machine
      • Hydraulic Press
      • Chain Making Machine
      • Ball Chain Making Machine
      • Stamping Press – Compacting Press
      • Chain Faceting Machine
      • CNC Ball Engraving Machine
      • Clasp Making Machine
      • End-connector Welding Machine
      • Laser Chain Welding Machine
      • Silver Wire
      • Electroforming Tanks
      • Rectifier
      • Temperature Control System
      • Agitation System
      • Filter & Circulation System
      • Accessories
        • Back
        • Clasp
        • Earring Backs
        • Earring Findings
        • End Cap
        • Beads – Ball
        • Other Accessories
    • Laser & Welding
      • Back
      • LaserX Engraving Machine (OEM)
      • Laser Cutting Machine (OEM)
      • Laser Engraving Machine Made in Italy
      • Laser Engraving Machine Made in Germany
      • Laser Cutting Machine Made in Germany
      • LaserX Welding Machine (OEM)
      • Laser Welding Machine Made in Germany
      • Laser Chain Welding Machine
      • Jewelry TIG Welder
      • Hydrogen & Oxygen Generator Welders
      • Welding Consumables
    • Tools and Equipment
      • Back
      • Tools
      • Jeweler’s Saw Blade
      • File
      • Pliers
      • Vice
      • Engraving Machining
      • Micro-Setting
      • Pneumatic Prong Pressing Set
      • Handheld Motor
      • Jeweler’s Bench
      • Headband Magnifier
      • Gold Scale
    • Surface Finishing
      • Back
      • Mechanical Polishing Machine
      • Single-Headed Polisher
      • Double-Headed Polisher
      • Polishing Materials
      • Enameling, Ceramic
      • Nano Coating
      • Anti-Tarnish Coating
    • Industrial Plating & Cleaning
      • Back
      • Ultrasonic Cleaner
      • Ultrasonic Machine
      • Electro Cleaning
      • Steam cleaner
      • Dryer
      • Centrifugal Dryer
      • Plasma Cleaning Technology
      • Laser Cleaning Technology
      • Materials & Chemicals
      • Mini Electroplating Machine
      • Plating Tank
      • Rectifier
      • Plating Filter
      • Chemical Pump
      • Electrode
      • Heating
      • Electroplating Chemicals
    • Measurement & Analysis
      • Back
      • SpectraX – Benchtop XRF Gold Analyzer
      • Thermo Scientific™ Niton™ Portable XRF Analyzer
      • SpectraX XRF Alloy Analyzer
      • Handheld XRF Analyzer for Industrial Alloy Analysis
      • XRF Analyzer for Mining Industry
      • XRF Coating Thickness Gauge
      • RoHS Spectrometer – SpectraX (XRF)
      • Thermo Scientific Handheld XRF RoHS Analyzer
      • Digital scale
      • Environmental Analyzer
    • Polishing
      • Back
      • Mechanical Polishing Machine
      • Double-Headed Polisher
      • Single-Headed Polisher
      • Polishing Materials
      • Components & Spare Parts
    • Final Finishing
      • Back
      • Enameling, Ceramic
      • Nano Coating
      • Anti-Tarnish Coating
    • Gemstone / Diamond
      • Back
      • Jeweler’s Loupe
      • Gem Gauge
      • Gem Microscope
      • Gem Tweezers & Gem Tray
      • Diamond Inscription Viewer
      • Polarized Lenses
      • Gemological Refractometer
      • Polariscope
      • Gem scale
      • Density Balance
      • Diamond Tester
      • Diamond Screening Device
      • FT-IR Spectrometer
      • Raman spectrometer
      • Diamond Fluorescence Tester
      • XRF Gemstone Analyzer
      • Diamond Girdle Laser Engraving Machine
      • UV Lamp & UV Light Box
      • Gemstone Counter
      • Components Diamond
      • Gemstone
      • Semi-precious Stone
      • Diamond
      • Synthetic Diamond
      • Pearl
      • Amber
      • Moissanite
      • CZ (Cubic Zirconia)
    • Precious Metal Recovery & Gold refining
      • Back
      • Centralized Dust Collection System for Jewelry Polishing Stations
      • Mechanical processing
      • Shredder
      • Incineration-plants
      • Pyrolysis furnace
      • Ashes-Melting-Furnaces
      • Precious Metals Chemical Refining
      • Electrolysis Process
      • Electrowinning Machine
      • Candle Filters for Precious Metals & Catalyst Filtration
      • Resin Unit
      • Laboratory Hood
      • FD Deoxidation Furnace
      • Dust and Fume Extraction System
      • New Technology
  • Services
    • Back
    • 3D Printing Technology
    • Polishing & Electroplating
    • Training & Technology Transfer
    • Equipment Rental Services
    • Maintenance and Servicing Services
    • Measurement and Quality Inspection
    • Green Solutions – Sustainable Products
  • News
    • Back
    • Technology news
    • Events
    • Promotion
  • Knowledge & Training
    • Back
    • Precious Metals Knowledge
    • Alloys & Gold Colors
    • Diamonds – Natural & Synthetic Gemstones
    • 3D Knowledge – Model Making Techniques
    • Jewelry Casting Technology
    • Jewelry Electroplating Knowledge
    • Green Products
  • Green Products
    • Back
    • Green Technology Alternatives
    • Green Solutions – Sustainable Products
  • Contact us
  • Promotion
  • Login / Register
VND, ₫
  • USD, $
  • EUR, €
FOX v.2.4.2.4
  • English
    • English
    • Tiếng Việt
    • ພາສາລາວ
    • ភាសាខ្មែរ
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