Products list direct from CN

Shangqiu Shuangyang Environmental Protection Technology Co., Ltd.

6yrs

Henan, China

Main categories: PH Meter,TDS Meter,Salinity Meter,Soil Tester,Multi Functional Water Quality Testing Pen

Product categories

Accurate Digital Water Quality Tester Drinking Water ph Meter Medidor De pH

$1.65-1.79

Min. order 1 piece

RO-2012-150 High Rejection Rate TDS Reduction RO Membrane Filter Manufacturers Element 298mm X 48mm

$2.66-2.69

Min. order 2 units

Waterproof Handheld Pen Type Digital ORP Meter Customized OEM & ODM Support Redox Potential Tester

$11.50-14.55

Min. order 1 piece

Manufacturer 5 in 1 Pool Spa Water test Strip 50pcs Kit for Water Quality Testing 5 Way Accurate test

$2.20-2.30

Min. order 10 pieces

3 in 1

TDS 3-in-1 Hydrogen-rich test Pen Back Light Digital PH ORP H2 TEMP Meter

$11.20-12.20

Min. Order: 2 pieces

3 in 1 Digital Water Tester High Accuracy 0.02 TEMP TDS PH Meter Water Quality Tester With Backlight for Drinking Water Pool

$9.89-11

Min. Order: 1 piece

Hot Sale 3-in-1 Digital Water Quality Pen ORP H2/TEMP Meter Hydrogen Ion Concentration Tester Electronic Measuring Instruments

$10-11

Min. Order: 500 pieces