Ningbo Ja-Hely Technology Co., Ltd.
Custom manufacturing Eye Measure PD Ruler Pupil Distance Ophthalmology ruler
Plastic 1:20 to 1:125 Multi-ratio 5 Blade Fan Scale Ruler reduction ruler
200ml 400ml Stainless steel alcohol burner spirit lamp for lab use
Sound therapy 528HZ DNA Repair tuning fork
80mm Cheap small plastic Slide Caliper Vernier Caliper
Glass grape wine Alcoholmeter alcohol content degree hydrometer
35~45 Glass Honey Brix Sugar degree Scale honey hydrometer
32HZ to 4225HZ As your required Frequency HZ Custom made customize tuning fork
32 64 128 256 512 1024 2048 4096 HZ Hertz Individual or sets Tuning fork
1.000~1.060 Glass urine Specific Gravity hydrometer
0~25 or 15~45 Glass Milk hydrometer Lactometer for milk Specific Gravity
Glass Petroleum specific gravity densimeter gasoline petrol diesel oil Hydrometer
0.6~0.7 to 1.9~2.0 Glass Hydrometer Specific Gravity Relative density Hydrometer
Baume Hydrometer Baume scale for measure density of various liquids
150mm Cheap plastic Vernier Caliper Slide Caliper
Lab use 1N to 1000N Spring balance Newton Scale Spring dynamometer
Hubbard Carmick Specific Gravity Bottle for bitumen in lab
Specific Gravity bottle cement pycnometer Le Chatelier flask in lab
LPG natural artificial gas Bunsen Burner
1mm to 60mm Agate Milling Grinding Ball for lab milling jar
