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About product and suppliers:
        Alibaba.com offers 7,800 drainage grating products. About 55% of these are metal building materials, 9% are cast & forged, and 8% are drains. 

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

There are 7,800 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 3,788 with ISO9001, 1,417 with Other, and 993 with ISO14001 certification.