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About product and suppliers:
        Alibaba.com offers 142 hollow barbell bar products. About 38% of these are weight lifting. 

A wide variety of hollow barbell bar options are available to you, such as barbell, weight plate, and dumbbell. You can also choose from free samples. 

There are 62 hollow barbell bar suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of hollow barbell bar respectively. 

Hollow barbell bar products are most popular in North America, South America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 3 with ISO9001, 2 with BSCI certification.