About product and suppliers:
            87,360 plain tube products are offered for sale by suppliers on Alibaba.com, of which carbon accounts for 12%, socks accounts for 2%, and towel accounts for 1%. 

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

There are 98,045 suppliers who sells plain tube on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and India, from which the percentage of plain tube supply is 1%, 99%, and 1% respectively. 

Plain tube products are most popular in United States, Canada, and Australia.