Arlau tree grate manufacturers design and produce metal tree grates of various materials: cast iron tree pit cover/cast iron tree grate: made of high-strength cast iron material, strong and durable; stainless steel tree cover: more corrosion-resistant, suitable for long-term outdoor use; mainly used for tree protection in urban greening, tree pit covers are usually beautifully designed to enhance the beauty of the surrounding environment. The cover is easy to disassemble, which is convenient for gardeners to prune and maintain trees. Arlau can customize the size and shape of tree grates according to needs.