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About product and suppliers:
        Alibaba.com offers 3,575 28mm aluminium caps products. About 50% of these are lids, bottle caps, closures, 24% are bottles, and 1% are wine stoppers. 

A wide variety of 28mm aluminium caps options are available to you, such as screw cap, disc cap, and flip top cap. You can also choose from metal, aluminium-plastic, and plastic. As well as from bottles, vials, and jars. And whether 28mm aluminium caps is non spill, pilfer-proof, or non-refillable. 

There are 3,575 28mm aluminium caps suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 28mm aluminium caps respectively. 

8mm aluminium caps products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 1,158 with Other, 1,082 with ISO9001, and 263 with ISO14001 certification.