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About product and suppliers:
        Alibaba.com offers 349 quadrant plastics products. About 20% of these are plastic rods, 9% are shower rooms, and 8% are plastic sheets. 

A wide variety of quadrant plastics options are available to you, such as free samples, paid samples. 

There are 351 quadrant plastics suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and India, which supply 93%, 4%, and 1% of quadrant plastics respectively. 

Quadrant plastics products are most popular in North America, Domestic Market, and Southern Europe. 

You can ensure product safety by selecting from certified suppliers, including 82 with Other, 56 with ISO9001, and 4 with OHSAS18001 certification.