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About product and suppliers:
        Alibaba.com offers 3,769,961 seal products. About 4% of these are packaging bags, 1% are seals, and 1% are other rubber products. 

A wide variety of seal options are available to you, such as rubber, silicone, and metal. You can also choose from o ring, hydraulic, and mechanical seal. As well as from standard, nonstandard. And whether seal is free samples, or paid samples. 

There are 3,775,711 seal suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Thailand, and Hong Kong, which supply 99%, 1%, and 1% of seal respectively. 

Seal products are most popular in North America, South America, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 599,167 with ISO9001, 517,200 with Other, and 153,211 with ISO14001 certification.