Waterproof and moisture-proof, thickened rod, thick and durable, high-quality materials, multi-layer anodizing process to ensure that it is not easy to rust. Arc corners, to prevent scratches, soft edges, safe and comfortable, thickened base, refuse to cut corners, load-bearing and more durable. Using automobile painting technology, the attached fine lacquer surface does not fall off, the surface of the product is scratch-resistant and easy to clean, and the upper layer pressure can resist the scratching caused by hard object impact. Fine brushed, fine surface polished and brushed process, strong scratch and corrosion resistance, more environmentally friendly, in line with safety standards, no rust. workmanship, multi-process, meticulous processing and manufacturing, high hardness, smooth and smooth components, no texture, strong texture, durable.