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9YRS
GAIN EXPRESS HOLDINGS LIMITED
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GAIN EXPRESS HOLDINGS LIMITED
9YRS
Hong Kong S.A.R.
  • Home
  • Products
    • See all categories
    • OEM Products
    • Blood Pressure Monitors / Calipers /Callus Remover
      • IR Thermometer
      • Heart Rate Monitor
      • Body Fat Caliper
    • Car Tools and Equipment
      • Electronic Stethoscope / Noise Finder
      • Manometer
      • Tachometer and Stroboscope
      • Vibration Meter
      • Leakage Detector
      • Car DVR Black Box & Windows TintMeter
      • Circuit Breaker tester
      • Brake Fluid Tester
      • Automotive Battery Tester
      • Battery Tester
      • Tire Guage
    • CO2 , CO , VOC IAQ, Gas Detector
      • Datalogger
    • Dental Loupe
      • Nickel Alloy
      • Titanium
    • Endoscope / Video Inspection Camera
    • Fishing Tackles/Gears
      • Under water Camera
      • 2-in-1 fishfinder
      • Wired
      • Wireless
    • Gem Tools
      • Colored Stone Filter
      • Dark Filed loupe & Polariscope
      • Diamond / Moissanite Tester
      • Discroscope & Spectrosceop
      • Gem Refractometer
      • Loupes & Polariscope
      • Ultrsonic Cleaner
    • Gloss Meter
    • Hardness Meter
      • Leeb Hardness Tester
      • Force Meter
  • Profile
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      • R&D Capacity
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New Arrivals
PHM-300 Water Quality Pentype pH Meter 0.01pH Accuracy Liquid Acidity Tester for Aquarium, Spa, Laboratory, Household Water
$3.27 - $3.94/Piece
1 Piece(Min. Order)
Portable Compact Sound Level Meters Calibrator 94dB/ 104dB/ 114dB Noise Calibration Level for 13.2mm Microphone Size
$45.38 - $50.42/Piece
1 Piece(Min. Order)
Digital Thermometer Thermistor 4 Channels NTC Probe Big LCD Display with Relay Function Data Logging SD Card Logger
$92.68 - $102.70/Piece
1 Piece(Min. Order)

Product Categories

  • OEM Products
  • Blood Pressure Monitors / Calipers /Callus Remover
  • Car Tools and Equipment
  • CO2 , CO , VOC IAQ, Gas Detector
  • Dental Loupe
  • Endoscope / Video Inspection Camera
  • Fishing Tackles/Gears
  • Gem Tools
  • Gloss Meter
  • Hardness Meter
  • Multifunction Tools and Equipment
  • Microscopes / Ring Lights / Illuminators
  • Mosquito & Pest Repeller
  • Phase Sequence Indicator
  • Refractometers
  • Testers and Meters
  • Temperature / Humidity Controller
  • Thickness Meter Gauge
  • Others
  • Ungrouped
Top Picks
View More
High Accuracy Measuring 30dB-130dB with Data Record Function Sound Level Meter with Backlit Display Compact Professional
$19.85 - $22.40/Piece
1 Piece(Min. Order)
Diamond Moissanite Tester Gemstone 2pt Jewel Stone Combo Gem Test Jewelry Identifier Tool Equipment
$71.25 - $79.17/Piece
1 Piece(Min. Order)
Temperature and Humidity measurement with 3 Indoor/ Outdoor Wireless Sensors Weather Station Thermometer and Hygrometer
$13.97 - $15.77/Piece
1 Piece(Min. Order)
Lucky Wireless Fish Finder with Fish Attractive Light Lamp & Color LCD 45M Depth 60M Sonar Sensor Boats Kayak Ice Night Fishing
Sonar Fish Finder
Wireless Fish Finder
$51.60 - $67.90/Piece
1 Piece(Min. Order)
Magnification Jeweler Loupe Magnifier Glass 10x 25mm with 8 Glass Reticle Scale Chart 20mm & 8 LED Light
$36.25 - $40.28/Piece
1 Piece(Min. Order)
Honey Refractometer 3-in-1 Brix/Moisture/Baume Tester Meter ATC 58-90%/12-27%/38-43Be' Tri-Scale (OEM Packaging Available)
Honey Refractometer
$11.84 - $14.25/Set
1 Set(Min. Order)
Multi-parameter 5-in-1 Water Quality Meter Wall-mountable PH EC CF TDS (ppm) Temperature Tester (OEM Packaging Available)
$43.46 - $48.29/Set
1 Set(Min. Order)
3-Axis RF Meter Electromagnetic Radiation Tester Detector 10MHz to 8GHz w/ Alarm and Tripod Mounting (OEM Packaging Available)
$188.89 - $215.90/Set
1 Set(Min. Order)

Top-Ranking Products

Digital Non-Invasive Inductive LED 4-in-1 Tester Wood Drywall Masonry Moisture Meter
$14.11 - $15.93/Piece
1 Piece(Min. Order)

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