I am the manufacturer of the YM company in China. Our products are mainly focus on pH meters. pH tester,"Nutra Wand" conductivity meters,mini TDS meters such as EC, CF, ppm, ppt, uS/cm, mS/cm testers. pH combined electrodes, skin electrodes, Dissolved Oxygen (DO) electrodes, Conductivity and ORP electrodes. related fields.
Our product advances are mainly in the prices and quality fields.
We can provide you with good quality and low price
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