河北荣兴玻璃仪器厂主要生产的透明玻璃管，用于医学器械，化学仪器，纺织，水族等多个行业。对于其他要求耐高温、高热稳定性、高化学稳定性、高介电性能的工业技术部门亦得到广泛的应用。下述三类本厂均具有相应的生产线。A:普通玻璃管； B:高硼硅玻璃管；C:石英玻璃管；Thetransparentglasstubeswhichourfactorymanufactureareusedinmedicalinstruments,chemicalinstruments,textileandaquariumindustries.Theyarealsowidelyusedinotherindustrialtechnologydepartmentswhichrequirehightemperature-resistant,highthermalstability,highchemicalstabilityandhighdielectricproperty.Wehavethecorrespondingproductionlineforthefollowingthreekindsofproducts.A.normalglasstube;B:borosilicateglasstubeC:quartzglasstube 海水比重计Seawaterhydrometer浮于水面的海水比重计，海水比重、盐度、显示精确，使用简单，读数容易，透明度高。Floatingontheseawater,thehydrometeristransparent,andiseasytouseandreadseasilywithaccuratenumbers.