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About product and suppliers:
        Alibaba.com offers 1,553 warning metal sign products. About 31% of these are metal crafts, 1% are sculptures. 

A wide variety of warning metal sign options are available to you, such as tin, iron, and steel. You can also choose from painting, medal, and plaque. As well as from home decoration, holiday decoration & gift, and souvenir. And whether warning metal sign is painted, plated, or carved. 

There are 1,557 warning metal sign suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and United States, which supply 99%, 1%, and 1% of warning metal sign respectively. 

Warning metal sign products are most popular in North America, Western Europe, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 222 with ISO9001, 185 with Other, and 88 with ISO14001 certification.