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About product and suppliers:
        Alibaba.com offers 1,746 graduated tube products. About 29% of these are centrifuge tubes, 2% are packaging tubes, and 1% are school uniforms. 

A wide variety of graduated tube options are available to you, such as paper, plastic, and aluminum/plastic. You can also choose from adhesive glue, core, and food. As well as from free samples, paid samples. 

There are 1,745 graduated tube suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Vietnam, which supply 97%, 1%, and 1% of graduated tube respectively. 

Graduated tube products are most popular in North America, South America, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 393 with ISO9001, 219 with ISO13485, and 155 with Other certification.