Product use [precautions]:
★ for the installation of this product, the size shall be determined according to the actual hole spacing specification, and then pull rivets / core pulling nails, etc
During operation, do not change the hole spacing of the product at will to avoid unnecessary damage;
★ do not scrub the surface with Tianna water, sulfuric acid or acid;
★ do not polish the product with a polishing machine;
★ select the product reasonably according to the weight of the physical object to avoid additional damage;
★ if the product needs electric welding, please use blank products for operation to avoid burning the electroplated layer at high temperature;
★ in order to avoid rust or oxidation of the product, do not stack it in a wet and cold place,
Keep the storage conditions dry;
