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4YRS
Bonajay(Shenzhen) Technology Co., Ltd.
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
13 Transactions20,000+
Response Time24h-48h
Response Rate36.6%
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Handheld Digital ORP Meter Pen Type ORP WaterTester Tool Digital Meters
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100 Pieces(Min. Order)
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digital thermometer hygrometer with probe TA338
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3 in 1 Waterproof pH / ORP / Temperature Meter ATC Water Tester Oxidation mV
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1 Piece(Min. Order)
3 in 1 Waterproof PH-099 LCD Display Pen-type pH/ORP/Temperature Tester
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industrial temperature laser factory infrared thermometer
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Mini digital pocket type infrared thermometer DT8220
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100 Pieces(Min. Order)
Mini LCD Display Round Digital Thermometer Temperature Humidity Meter Hygrometer Fridge Freezer Tester Detector High quality
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500 Pieces(Min. Order)

TDS Meter

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New Digital EC meter Tester TDS Tester pen Conductivity Water Quality Measurement Tool with ATC
US $5 - 8/Piece
100 Pieces(Min. Order)
Portable Digital TDS meter Quality Purity Tester for Aquarium Swimming Pool
US $5 - 8/Piece
100 Pieces(Min. Order)
TDS-2016 Pen-type backlight TDS Meter
US $4 - 8/Piece
100 Pieces(Min. Order)
Digital LCD TDS TEMP PPM Meter Tester Filter Pen Stick Water Quality Purity Tester
US $4 - 6/Piece
50 Pieces(Min. Order)
Digital water TDS meter tester
US $1.65 - 2.15/Piece
200 Pieces(Min. Order)
2018 hot selling bigger LCD screen tds meter digital TDS-3
US $2 - 8/Piece
200 Pieces(Min. Order)
Portable water hardness meter
US $12 - 20/Piece
100 Pieces(Min. Order)
Promotional water tds meter cheap price
US $10 - 15/Piece
100 Pieces(Min. Order)
Digital Water Quality Tester Handhold TDS Monitor
US $29 - 40/Piece
100 Pieces(Min. Order)
Quick response new design testing water tds tester
US $8 - 10/Piece
50 Pieces(Min. Order)
2018 hot selling backlight handheld tds meter hold
US $10 - 15/Piece
100 Pieces(Min. Order)
pen type tds controller tds meter with stripes tds measurement with temperature
US $18 - 25/Piece
50 Pieces(Min. Order)
KL-RO22 Dual TDS Meter
US $18 - 25/Piece
100 Pieces(Min. Order)
Wholesale pen type tds meter test water
US $5 - 8/Piece
100 Pieces(Min. Order)
KL-026 5 in 1 Water Quality Tester PH Meter Aquarium EC/CF/TDS/Temp Monitor
US $65 - 90/Piece
2 Pieces(Min. Order)
KL-02636 seven in one multi-parameter Water Quality Monitor
US $80 - 90/Piece
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Digital LCD TDS Meter Tester Water Quality Filter Purity Pen Stick 0-9999 PPM
US $3 - 8/Piece
100 Pieces(Min. Order)
BJ-D15 Digital Handheld TDS Meter Water Quantity Tester Monitor (Blue)
US $3 - 6/Piece
100 Pieces(Min. Order)
Digital water TDS meter tester
US $2 - 8/Piece
200 Pieces(Min. Order)
Digital LCD Portable TDS Meter Tester Water Quality Filter Purity Hydroponics
US $5 - 8/Piece
100 Pieces(Min. Order)
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