Stamped drainage grating/galvanized steel drain gratingMaterial :Hot galvanized steel we have polymer drain channel OEM isok Stamped drainage grating/galvanized steel drain grating Stainless steel grating & stamping grating .The surface treatment of stainless steel grating are matt & shine. The surface treatment of stamping grating can do brush .Hot galvanized steel grating. It has hot galvanized ...
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