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YM Instrument Co.,Ltd. is a speciallized manufacturer of electro-chemistry instruments. Our main products are PH meter, conductivity meter, TDS meters, ORP meter; pNa meter, salt meter;Many functions tachometer; thermometer, hygrometer; Others: Refractometer, Water pump.pH-Messer,salt meter,PH-m¨¨tre,REDOX EC TDS CF - Meter van TOP ,pH-Messer,Appareil de contr?le de PH,salt meter,pH Truncheon Meter Grow System,Calibration Fluids, waterproof pH meters,replacement pH probes,ORP Waterproof Pen Meters, "Nutra Wa...
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