Metal ring is the general name of copper, iron, stainless steel and zinc alloy ring. First of all, we should know that the strength of the metal ring made of Wang Jing 5 gold is very guaranteed. Then briefly list the uses of the metal ring: the metal ring is suitable for the main support of yoga hammocks, hanging basket chairs and other similar items and the connection of hanging objects, the connection of bungee jumping trampoline and bungee jumping safety rope, the connection of other items that need strong tension, the connection of luggage and pendants, the connection of parachutes and body protective gear, and the connection of outdoor tents and the ground. And it can be used in many places.