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About product and suppliers:
        1,174 drainage grid products are offered for sale by suppliers on Alibaba.com, of which metal building materials accounts for 50%, steel wire mesh accounts for 1%, and other earthwork products accounts for 1%. 

A wide variety of drainage grid options are available to you, such as graphic design, none. You can also choose from 3 years, none, and 1 year drainage grid, as well as from online technical support, none drainage grid, and whether drainage grid is other earthwork products. 

There are 1,174 suppliers who sells drainage grid on Alibaba.com, mainly located in Asia. The top countries of suppliers are United States, China, and Taiwan, China, from which the percentage of drainage grid supply is 1%, 99%, and 1% respectively.