As an accessory for connecting or fixing gas springs and various products, it is an extremely flexible product. Generally, there are two materials, metal and plastic. Metal connectors can be used to connect high-quality and sturdy products. Plastic connectors are relatively affordable in price and can be used to connect low-strength products. The connector can achieve high-strength support and adjust the angle and inclination of the product. At the same time, according to different customer requirements and environmental conditions of use, a suitable connector shape, material and surface treatment method can be customized.