246 East avenue Jiangyan Yangzhou, Jiangsu
YM Instrument Co.,Ltd. is a speciallized manufacturer of electro-chemistry instruments. Our main products are PH meter,pH tester,conductivity meter, TDS meters, ORP meter; pNa meter,Water Quality and Aquaculture, salt meter;Many functions ...
salt meter, pH meters, Waterproof pen pH Tester, ENUTRA-WAND T.D.S meters, Tri Meter