... glassware based in china, such as- beaker series, boiling flask series,glass tubes,bottles series ,measurements, desiccator series, funnel ... short neck,long neck,conical flask, filtering flask,flask eggplant shape ,eggplant shape ,long neck,flask pear shape ,flask pear shape with two necks ... or with three necks,Elstilling flask pear shape,distilling flask pear shape or with thorn tube.We ...