Zhejiang Xinhua Chemical Co., Ltd
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ZD Instrument Co. (Jiangyan ZhengDa Scientific Education Instrument & Equipment Factory) is a speciallized manufacturer of electro-chemistry instruments. Our main products are pH meters, conductivity meters, "Nutra Wand" conductivity meters, mini TDS
KR Analytical Ltd provides technical solutions for the analytical chemistry and biochemistry laboratory in a wide variety of industries. Specialising in the field of mass spectrometry, our products include complete mass spectrometry instruments, atmo