Gas spring (gasspring) is a kind of industrial accessories which can support, buffer, brake, height adjustment and angle adjustment. It consists of the following parts: piston, piston rod, a pressure cylinder, guide sleeve, sealing filler (inert gas or oil and gas mixture), cylinder cylinder control element and control element (of a controllable gas spring) and joint. The principle is in the airtight pressure cylinder filled with inert gas or oil and gas mixture, the cavity is higher than atmospheric pressure several times or dozens of times, the cross-sectional area of the cross-sectional area of the piston rod of the piston to produce less than the pressure to achieve the movement of the piston rod. Due to the different fundamental principle, the gas spring has a spring than ordinary remarkable advantages: speed is relatively slow, dynamic force changes little (within 1:1.2), easy to control; the disadvantage is relatively small volume of spiral spring, high cost, relatively short life. Unlike the mechanical spring, the air spring has a nearly linear elastic curve. The elastic coefficient X of the standard gas spring is between 1.2 and 1.4, and other parameters can be flexibly defined according to the requirements and working conditions.

According to the characteristics and applications of different gas spring, also known as the supporting rod, air support, angle, pressure rods, dampers etc.. According to the structure and function of the gas spring to classify gas spring free type gas spring, self-locking gas spring, pull type gas springs, random stop gas spring and swivel gas springs, pressure rods, several dampers. At present, the products are widely used in automobile, aviation, medical equipment, furniture, machinery manufacturing and other fields.

Recently, the national development and Reform Commission according to the present situation of the development of China's automobile industry gas spring, in order to progress in China's auto industry in the international level, has proposed the construction scheme of the package, and actively support and guide the development of industry innovation system construction and innovation of independent intellectual property rights. In the field of rubber air spring, the priority of the development of the entities involved in the market competition will certainly get some opportunities, but also will be in the market to get a huge return. Rubber air spring as the core component of automobile shock absorber, its function has a direct impact on the safety of the car and the road damage. Looking at the development direction of the world automobile industry production technology, the development direction of gas spring production technology will also be synchronized with it - the direction of strong shock absorption, long service life, safe and reliable direction.