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4
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Jilin Hongyi Bio-Tech Co., Ltd.
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Water test
Urine test
Home Safety Test
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Soil test
Rapid test kits
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W-3 Factory Direct Wholesale 3 Parameters Total Alkali Nitrite Free Chlorine Reagent Strips for Water test Strips Quick test
$1.80-2.20
Min. order 50 pieces
Factory Good Quality 4 Parameters pH Ammonia Nitrogen Potassium Phosphorus Soil test Kit
$2.89-3.20
Min. order 10 boxes
Wholesale Water Test Kit Easy to Use Coliform Bacteria Test Kit for Drinking Water
$1.95-2.30
Min. order 10 pieces
19 sold
Manufacturer Supply Easy to Use Coliform Bacteria Test Kit for Drinking Water and Pool
$1.85-2.30
Min. order 10 pieces
10 sold
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