VOLUMETERIC FLASKS Borosilicate glass,glass stopper Kimble Bomex Product. VOLUMETERIC FLASKS Borosilicate glass,glass stopper is product of Kimble Bomex (Beijing) Labware Co., Ltd. (KBL). KBL is a joint-venture established by Gerresheimer's subsidiary kimble-chase and Chinese Partner Beijing Bomex HuaLong Glass Instrument Co., Ltd. The company is focusing on production of Glass Labware. 5 ...