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About product and suppliers:
        Alibaba.com offers 5,706 heavy duty plastic case products. About 38% of these are mobile phone bags & cases, 28% are tool case, and 1% are tool bag. 

A wide variety of heavy duty plastic case options are available to you, such as plastic, aluminum, and stainless steel. You can also choose from free samples, paid samples. 

There are 5,768 heavy duty plastic case suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United States, and Taiwan, which supply 98%, 1%, and 1% of heavy duty plastic case respectively. 

Heavy duty plastic case products are most popular in North America, South America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 1,015 with ISO9001, 295 with Other, and 81 with ISO14001 certification.