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About product and suppliers:
        Alibaba.com offers 1,524 guard liner products. About 1% of these are geomembranes. 

A wide variety of guard liner options are available to you, such as hdpe, plastic. You can also choose from waterproof, printed. As well as from food, masking, and pharmaceutical. And whether guard liner is free samples, or paid samples. 

There are 1,509 guard liner suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Pakistan, and India, which supply 99%, 1%, and 1% of guard liner respectively. 

Guard liner products are most popular in North America, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 185 with ISO9001, 131 with Other, and 25 with ISO14001 certification.