Natural Topaz Swiss Blue Oval Faceted Loose Gemstones since 1989 USA (6mm~1ct)

PacuM Scientific Mini Centrifuge, Portable Centrifuge, 1~99min Timing Function, 8000 RPM Speed, Semi-Automatic Lid Opening, Dual Limit Switch, for Medical, Laboratory, Biological Industries

Desktop Electric Centrifuge, Ld-3 60W Electric Centrifuge Machine, 0-4000 RPM Adjustable Speed, 2770xg Centrifugal Force, 6x50ml Capacity, Low Noise Lab Centrifuge for Chemical Industry

CHANGLKJ Lab Electric Centrifuge, Large Capacity Desktop Centrifuge Machine with LCD Display and Overspeed Protection, Timer 0-99min, 0-4000rpm Speed Control, Electable Rotor, for Chemical Industry

Gold Purity Tester Machine Electronic Density Meter for Jewelry Industry Bank Pawn Industry Gold Precious Metal Research Lab Weighing Precision 0.01g(600g)

Benchtop Lab PH Meter, Very Suitable for Chemical Laboratories in Scientific Research Institutes, Schools, Industrial and Mining Enterprises

Scientific Scale, 0.1mg /200g Lab Analytical Balance, LCD Display Analytical Balance, Calibrated Industrial Weighing and Counting Scales Table

Generic Altra Industrial Motion 5371-751-005 Rotor Assembly

4E's USA High Speed Micro Centrifuge, 1-10ml Micropipette