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About product and suppliers:
        Alibaba.com offers 25,116 square plastic cover products. About 1% of these are other plastic products, 1% are lids, bottle caps, closures, and 1% are plastic sheets. 

A wide variety of square plastic cover options are available to you, such as blow molding, injection, and extruding. You can also choose from free samples, paid samples. 

There are 25,116 square plastic cover suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of square plastic cover respectively. 

Square plastic cover products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 5,941 with ISO9001, 3,091 with Other, and 1,088 with ISO14001 certification.