About product and suppliers:
            1,736 dr tube products are offered for sale by suppliers on Alibaba.com, of which tracheal cannula accounts for 5%, filling machines accounts for 1%, and insulation materials & elements accounts for 1%. 

A wide variety of dr tube options are available to you, 

There are 961 suppliers who sells dr tube on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Taiwan, China, and Vietnam, from which the percentage of dr tube supply is 90%, 8%, and 1% respectively.