6637 vacuum glass tube products are offered for sale by suppliers on Alibaba.com, of which other medical consumables accounts for 1%, blood test tubes accounts for 1%, and glass bottles accounts for 1%.
A wide variety of vacuum glass tube options are available to you, such as glass, quartz and quartz glass.You can also choose from clear, purple and red vacuum glass tube,as well as from punching, bending, and welding vacuum glass tube, and whether vacuum glass tube is twin tube, round, or flat.