About products and suppliers:
Tradechina.com offers 2720 metal test tube cap products. About 4% % of these are glass bottles, 1%% are plastic tube, and 1%% are plastic bottles.
There are 2720 metal test tube cap suppliers, mainly located in Asia. The top supplying countries or regions are metal test tube cap, China, and 100%, which supply {3}%, {4}%, and {5}% of {6} respectively.