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9
YRS
GAIN EXPRESS HOLDINGS LIMITED
Gold Supplier
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GAIN EXPRESS HOLDINGS LIMITED
9
YRS
Hong Kong S.A.R.
Home
Products
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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
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New Arrivals
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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
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Top Picks
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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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