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        Alibaba.com offers 23,808 b grade materials products. About 32% of these are steel pipes, 3% are other heat insulation materials, and 2% are plastic sheets. A wide variety of b grade materials options are available to you, such as shopping, agriculture, and food. You can also choose from free samples, paid samples. There are 23,890 b grade materials suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and United States, which supply 99%, 1%, and 1% of b grade materials respectively. B grade materials products are most popular in South America, Southeast Asia, and Mid East. You can ensure product safety by selecting from certified suppliers, including 5,020 with ISO9001, 1,967 with Other, and 808 with ISO14001 certification.
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