... 3. Delivery:7-30days 4.Availability:20,000tons/year Steel fence,trellis,grillAppearance:Smooth, attractiveFeatures:colorful, rust-proof, anti-corrosionApplication:1 ... construction, gardens, stadiums, airport ,wharf and so on.2. fence and safety dooryard of factories and mines,enterprise and public ... surface treatment. 4. If any enquiries, please contact us. metal door grate steel window grill design