Series available:
1) All kinds of high quality glass hydrometers (floating meters)
2) Diameter: 18mm, 20mm, 25mm
3) With or without liquid
4) Various shapes available
5) Solid-stem glass thermometers for industrial use ( mercury or red /
blue / green liquid)
6) Thermometers for children's bathtubs
7) Cartoon thermometers
8) Cold and hot meter series (highest / lowest temperature
thermometers, dryness and humidity meters, wooden or plastic
thermometers)