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About product and suppliers:
        Alibaba.com offers 8,290 drainage grating products. About 54% of these are metal building materials, 5% are drains, and 3% are other fiberglass products. 

A wide variety of drainage grating options are available to you, such as iron, steel. You can also choose from free samples, paid samples. 

There are 8,290 drainage grating suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of drainage grating respectively. 

Drainage grating products are most popular in North America, Southeast Asia, and Oceania. 

You can ensure product safety by selecting from certified suppliers, including 4,463 with ISO9001, 1,257 with Other, and 1,209 with ISO14001 certification.