Borosilicate glass beaker 50 100 250 500 1000 20003000ml high-type low-type beaker with handle 0.06,445 sold.7,430 so'm
Small hole imaging tester experimental device J29035 primary school science experiment equipment optical physics teaching instrument 5.014,034 sold.8,464 so'm
Factory direct stethoscope double-headed stethoscope foreign trade supply multi-color optional 4.98,212 sold.29,623 so'm
100 pieces of absorbent paper/box 2.7 * 8cm microscope cleaning dust removal experiment consumables teaching instrument 5.06,499 sold.7,430 so'm
04010 battery box with terminal electrical circuit series parallel teaching instrument experimental equipment No. 1 battery box 5.01,600 sold.11,756 so'm
Foreign trade export gold-plated stainless steel double-headed stethoscope double-sided stethoscope Stethoscope 0.0760 sold.159,871 so'm
20CM high quality glass rod high quality baking head solid glass rod high temperature resistant glass stirring rod experimental instrument 4.912,858 sold.2,116 so'm
Strip box dynamometer spring dynamometer 2.5N teaching instrument Yuyao Mengchao factory direct sales 5.01,944 sold.7,994 so'm
Small Bulb 2.5v1.5v3.8v6v12v Small Electric Ball Lamp Holder Experimental Electrical Experimental Flashlight Bulb Lamp 5.05,555 sold.800 so'm
Pointed Tweezers Flat Tweezers Round Head Chemical Experiment Tweezers Aquarium Clip Micro Viewing Tweezers Fleshy Tweezers 5.03,528 sold.6,583 so'm
14004 cylinder dynamometer 10N measurement precision mechanics experiment factory direct sales 5.02,700 sold.22,570 so'm
Basic burette head basic Burette with rubber tube and glass bead burette accessories chemical experiment instrument 5.01,071 sold.9,405 so'm
Glass large seawater salinometer hydrometer density mariculture measurement floating meter with attached temperature 5.05,063 sold.14,107 so'm
Copper sheet, zinc sheet, aluminum sheet, iron sheet, self-made fruit battery, experimental material, primary battery, primary school science experiment 4.76,004 sold.4,232 so'm
Biological Temporary Loading Making Tools Junior High School Biological Experimental Equipment Absorbent Paper for Slice and Dyeing of Dilute Iodine Solution 0.0833 sold.47,021 so'm
f light source F light source F-type light source students use red light led light fixture base use convex lens imaging optical teaching instrument 5.02,639 sold.27,978 so'm
Aluminum Alloy American folding compass scale mapping magnifying glass function lanyard Army Green outdoor north pointer 5.06,244 sold.37,617 so'm
Table side clip table side pulley clip fourth grade new material science small experiment 4.56,370 sold.10,345 so'm
No.1 battery box DIY cover switch parallel series battery box experimental teaching instrument experimental equipment 0.02,680 sold.5,173 so'm
Sheep fur rubber stick fur teachers demonstrate friction electrification electrostatic glass stick silk physics teaching experimental instrument equipment 5.02,494 sold.9,405 so'm
Wholesale electrolyte hydrometer suction hydrometer battery car battery electro-hydraulic hydrometer density meter in stock 0.00 sold.18,809 so'm
60mm all-metal round portable stainless steel compass gift gift gift promotion gift North needle 5.03,566 sold.8,464 so'm
Factory wholesale 6-hole/12-hole ceramic reaction plate drop plate microtiter plate colorimetric plate hemagglutination plate physical and chemical porcelain 5.04,471 sold.5,643 so'm
Chuda professional compass with lanyard multifunctional compass map measurement scale outdoor travel camping 5.07,107 sold.21,630 so'm
75mm stainless steel all-metal gift compass portable compass outdoor travel pointer in stock wholesale 4.92,537 sold.11,756 so'm
Five-Color soil specimen fourth grade second volume scientific experiment material rock specimen ore specimen loess 0.02,568 sold.16,458 so'm
Glass Dropper Bottle 30ml60ml125ml250ml Transparent Brown Brown Small Dropper Bottle Chemical Experimental Equipment suit 5.0655 sold.706 so'm
Wholesale Po Mei hydrometer Bo Mei meter 0-35 salinometer cool leather special precision concentration meter density meter 5.01,425 sold.14,107 so'm
Large Plane Imaging Experimenter Optical Experiment Teacher Plane Mirror Imaging Demonstrator Physical Optical Instruments 0.03,056 sold.39,968 so'm
Chuda Military Sand Table Desktop Pointer with Tripod Lanyard North and South Hemisphere Universal Outdoor Camping Tour 5.056 sold.220,997 so'm
Graphite electrode carbon rod diameter 6mm8mm10mm galvanic cell conductive rod physical and electrical experimental equipment conductivity 5.010,033 sold.3,762 so'm
Multi-specification E10 lamp holder with thread aging e10 small lamp holder for physical experiment of screw lamp holder 0.07,255 sold.941 so'm
Medical nerve needle nerve test needle diabetes contact needle foot skin contact needle 10G Force factory straight 5.014,157 sold.13,401 so'm
Small Lamp Holder Screw-top Small Bulb Electric Ball Holder Electrical Series Parallel Physics Experimental Equipment Junior High School Teaching Instrument 5.07,000 sold.3,057 so'm
Clock Model 8CM Three-pin Linkage 12-hour Mathematics Teaching Clock Face Understanding Time Clock Face Model 5.02,501 sold.6,348 so'm
Alcohol meter precision alcohol meter density meter alcohol concentration meter single 0-100 0.00 sold.23,464 so'm
wooden lever aluminum alloy lever sliding lever physics lever balance principle mechanics experimental conditions 0.0634 sold.21,160 so'm
Export quality aluminum alloy MI528 tuning fork 528C tuning fork 528Hz tuning fork to send cloth bag hammer laser 5.04,666 sold.136,360 so'm
Steel chrome-plated weight m2-class French code conjoined standard kilogram set weight 100g200g500g1kg2kg 5.03,690 sold.9,405 so'm