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About product and suppliers:
        Alibaba.com offers 26 large size warning light bar products. About 84% of these are auto lighting system, 11% are traffic light. 

A wide variety of large size warning light bar options are available to you, 

There are 26 large size warning light bar suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of large size warning light bar respectively. 

Large size warning light bar products are most popular in Western Europe, Mid East, and South America. 

You can ensure product safety by selecting from certified suppliers, including 6 with ISO9001, 1 with Other, and 1 with OHSAS18001 certification.