... from borosilicate glass. Reinforced rim. Accuracy: 5% conical beaker-----we are one of the leading and professional manufacturers of ... laboratory glassware in Shenzhen, China.Our lab glassware includes: beaker, flask, funnel, bottle, Boiling Flask,Conical Flask,Distilling ... tube U-shape, test tube, gas drying tower, Weighing bottle, gas washing bottle, drying tube, Desiccator with porcelain plate, Gas ...