About product and suppliers:
            2,328 round clamshell products are offered for sale by suppliers on Alibaba.com, of which packaging cup, bowl accounts for 10%, blister cards accounts for 9%, and plastic vacuum forming machines accounts for 1%. 

A wide variety of round clamshell options are available to you, 

There are 2,541 suppliers who sells round clamshell on Alibaba.com, mainly located in Asia. The top countries of suppliers are United States, China, and Vietnam, from which the percentage of round clamshell supply is 1%, 89%, and 7% respectively. 

Round clamshell products are most popular in United States, Australia, and United Kingdom.