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About product and suppliers:
        Alibaba.com offers 445 back stem products. About 1% of these are other toys & hobbies, 1% are single spices & herbs. 

A wide variety of back stem options are available to you, such as steel, aluminum. You can also choose from free samples, paid samples. 

There are 445 back stem suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of back stem respectively. 

Back stem products are most popular in Domestic Market, Southeast Asia, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 206 with ISO9001, 73 with Other, and 26 with ISO14001 certification.