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    About product and suppliers:
            Alibaba.com offers 65,647 bitumen products. About 19% of these are waterproof membrane, 7% are bitumen, and 1% are crude oil. 
    
    A wide variety of bitumen options are available to you, such as natural bitumen, petroleum asphalt, and rock asphalt. You can also choose from free samples, paid samples. 
    
    There are 62,253 bitumen suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and United Arab Emirates, which supply 94%, 1%, and 1% of bitumen respectively. 
    
    Bitumen products are most popular in Southeast Asia, Africa, and Mid East. 
    
    You can ensure product safety by selecting from certified suppliers, including 25,827 with ISO9001, 9,074 with ISO14001, and 8,847 with Other certification.
            
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