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About product and suppliers:
        Alibaba.com offers 13,600 bottom panel products. About 1% of these are sandwich panels, 1% are wallpapers/wall coating, and 1% are solar cells, solar panel. 

A wide variety of bottom panel options are available to you, such as monocrystalline silicon, polycrystalline silicon. You can also choose from polyurethane sandwich panels, eps sandwich panels, and xps sandwich panels. As well as from anti-static, fireproof, and waterproof. And whether bottom panel is nonmetal, or metal. 

There are 13,600 bottom panel suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of bottom panel respectively. 

Bottom panel products are most popular in North America, Domestic Market, and Southern Europe. 

You can ensure product safety by selecting from certified suppliers, including 2,311 with ISO9001, 1,385 with Other, and 409 with ISO14001 certification.
        
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