borosilicate glass weighing bottle + standard cylinder + measuring cylinder with base laboratory glassware

product composition
1. left side: glass weighing bottle (high type/flat type optional)
with frosted mouth sealed bottle body, it is used for solid powder, sample weighing and storage, reagent sealing preservation, and laboratory drying and weighing.
2. middle: glass standard cylinder (standard bottle)
large mouth thickened round bottom glass bottle, which can soak specimens, store solid samples, soak chinese herbal medicines/animal and plant specimens, and open mouth for convenient sampling.
3. right side: glass cylinder with base
with dumping guide nozzle and stable thickened base, it is used to accurately measure the volume of liquid. the scale can be printed/etched.