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About product and suppliers:
        Alibaba.com offers 457 back stem products. About 1% of these are other toys & hobbies. 

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

There are 457 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, Western Europe, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 197 with ISO9001, 73 with Other, and 28 with ISO14001 certification.