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About product and suppliers:
        Alibaba.com offers 295 test tube with conical bottom products. About 36% of these are test tube, 1% are injection & puncture instrument. 

A wide variety of test tube with conical bottom options are available to you, such as glass, plastic. You can also choose from screen printing, offset printing, and matte. As well as from free samples, paid samples. 

There are 296 test tube with conical bottom suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Vietnam, and South Korea, which supply 98%, 1%, and 1% of test tube with conical bottom respectively. 

Test tube with conical bottom products are most popular in Mid East, North America, and South America. 

You can ensure product safety by selecting from certified suppliers, including 154 with Other, 62 with ISO13485, and 61 with ISO9001 certification.