YM Instrument Co.,Ltd.

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 [Detailed]