Analytical Instruments, Testing Instruments, Microscope manufacturer / supplier in China, offering Lsp917 Ultra-Precision Ion Meter for Na/K/Ca/Cl, etc (0.01 Class) - 7" HD Touchscreen & Wechat IoT, Lsp907 PRO Smart Multi-Ion Meter - Custom Na+/K+/Cl- Modes & 6.5" LED Screen & IP54, Lspec 850 Portable Drug and Explosive Detector Portable Drug Screening Device and so on.