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About product and suppliers:
        Alibaba.com offers 9,864 black cas products. About 3% of these are mobile phone bags & cases, 2% are pharmaceutical intermediates, and 1% are syntheses material intermediates. 

A wide variety of black cas options are available to you, such as medicine grade, industrial grade, and agriculture grade. You can also choose from pet, plastic, and pu. As well as from free samples, paid samples. 

There are 9,864 black cas suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of black cas respectively. 

Black cas products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 2,221 with Other, 2,018 with ISO9001, and 195 with ISO14001 certification.