Factory supply wholesale electrolyte battery liquid electro-hydraulic glass tube hydrometer density meter electrolyte hydrometer
5.0
260 sold.
26,802 so'm
Experimental instrument device | 2,000+ products
Demonstration pulley set large J21031 mechanical effect mechanical demonstration pulley set two single three and three series pulley
5.0
240 sold.
75,233 so'm
J21002 cube set 20cm copper iron aluminum Wood physics experiment teaching equipment instrument
5.0
626 sold.
44,670 so'm
Electronic balance scale 0.01g accurate 5kg gold jewelry weighing gram scale 1‰ electronic scale commercial
5.0
1,673 sold.
460,802 so'm
In stock factory direct High Borosilicate glass transparent raw materials burnt glass Christmas tree stirring rod raw materials various specifications
5.0
565 sold.
4,703 so'm
Hydrometer measuring bottle 100ml measuring cylinder brewing suit liquor concentration meter density meter alcohol meter 0-100
0.0
1,237 sold.
6,113 so'm
Object thermal expansion and contraction material large experimental copper ball plastic ball iron hoop Primary School scientific solid thermal expansion equipment
0.0
613 sold.
117,552 so'm
Fruit battery experimental set material copper zinc scientific diy homemade fruit potato brine Cola power generation
0.0
439 sold.
15,047 so'm
Formation of wind experimental material J29012 primary school science and physics experimental equipment popular science exploration teaching instrument
5.0
916 sold.
18,809 so'm
Sliding rheostat 5Ω 10Ω 20Ω 50Ω 100Ω 200Ω physical and electrical experimental instrument
0.0
173 sold.
65,829 so'm
29011 solar height measuring instrument primary school science teaching instrument physical experiment equipment metal
0.0
75 sold.
37,617 so'm
Diamond-shaped small magnetic needle J24007 with bracket 16 PCs/box junior high school physics experiment teaching instrument teaching aids
5.0
329 sold.
26,332 so'm
Optical Experiment Teaching parallel laser three-line light source magnetic three-way semiconductor laser light source physics teaching
4.7
510 sold.
47,021 so'm
Copper sheet, zinc sheet, aluminum sheet, iron sheet, self-made fruit battery, experimental material, primary battery, primary school science experiment
4.7
5,928 sold.
4,232 so'm
Baume meter hydrometer liquid glass floatometer stone sulfur mixture cold skin surface slurry concentration meter diesel gasoline density meter
0.0
262 sold.
9,405 so'm
Otology examination endoscopy otoscope otoscope diagnosis flashlight pen flashlight medical flashlight
5.0
3,315 sold.
35,266 so'm
Supply teaching DC dual-purpose electricity meter, current voltmeter, basic electricity meter, Indonesian student meter
0.0
100 sold.
145,294 so'm
Asbestos net 12.5cm15cm20cm clay net heating pad around heating chemical laboratory consumables insulation net
5.0
1,018 sold.
3,292 so'm
Manufacturers Supply Three Sets of Alcohol Meter (0-40,40-70,70-100)-alcohol Density Meter Alcohol
5.0
452 sold.
5,643 so'm
Plastic Measuring Cup 1000ML Laboratory SuPPlies Teaching Instrument with Handle Double-sided Scale Thickeneded Transparent Pp Manufacturer
5.0
546 sold.
7,524 so'm
Children's dentition model 39052 tooth model with toothbrush teaching instrument Middle School biological health equipment
5.0
311 sold.
94,042 so'm
Standard Steel 512Hz teaching tuning fork 22002-type acoustic tuning fork teaching instrument
5.0
4,622 sold.
61,127 so'm
Insect level 3 table can be used to fix insect specimens and save a large number of insect specimens in stock factory direct sales
5.0
538 sold.
37,617 so'm
canoe wood model elementary school experimental material fifth grade science boat history homemade boat handmade boat
0.0
19,892 sold.
9,405 so'm
Stainless Steel Biological Dissecting Disc Wax Disc Anatomy Tool Teaching Instrument Dissector
5.0
1,039 sold.
28,213 so'm
23023 simple resistance box 0-9999 Ohm physical electricity four knobs experimental equipment teaching instrument
5.0
2,108 sold.
178,679 so'm
Tray Balance, Rack Pan Balance, Teaching Balance 200g0.2g
0.0
1,379 sold.
131,658 so'm
Convex lens lens diameter 50mm focal length 100mm glass double convex lens optical lens experimental equipment
5.0
2,700 sold.
15,047 so'm
30505 Clock Model 8CM Students with Three-pin Linkage Non-linked 12-hour Primary School Science Teaching Instrument
5.0
9,059 sold.
6,113 so'm
Demonstration original secondary coil 24009 original coil demonstration full copper coil physical experiment equipment teaching instrument
0.0
936 sold.
79,936 so'm
Factory supply in stock supply Standard 256Hz teaching tuning fork 22001 teaching instrument resonance tuning fork
5.0
173 sold.
61,127 so'm
Metal hook code combination hook code experiment Junior High School physical mechanics 10G 20g 50g 100g 200g combination
4.0
812 sold.
31,975 so'm
Concave lens lens diameter 10cm focal length 300mm glass material double concave concave lens optical experimental equipment
5.0
2,358 sold.
47,021 so'm
Special Anorectal Probe with Groove Probe Anorectal Surgery Probe Drainage Device Medical Teaching Equipment
0.0
250 sold.
23,511 so'm
Three-group alcohol meter liquor alcohol concentration meter high precision alcohol meter gravity meter liquor meter
0.0
0 sold.
3,245 so'm
Resistance Ring Fixed-value Winding Resistor 5101520 a Set of Junior High School Physics Teaching Instruments Electrical Experimental Equipment
5.0
1,620 sold.
8,464 so'm
Aluminum Alloy American folding compass scale mapping magnifying glass function lanyard Army Green outdoor north pointer
5.0
6,170 sold.
37,617 so'm
Cross-border source 450 outdoor car Compass/Compass ball adjustable angle car orientation ornaments gifts
4.8
2,939 sold.
23,511 so'm
Manufacturer Source Colorful Range Pipette Single Channel Fixed Pipette Mini Pipette Pipette Gun with Sample Gun
0.0
11 sold.
173,977 so'm
Medical percussion hammer doctor dedicated neurology reflex professional multi-functional orthopedic examination buckle hammer percussion hammer
0.0
0 sold.
14,812 so'm