How to choose a gas lift for chair?

Some manufacturers use the bad quality raw material in order to reduce the cost, it is very dangerous and may caused explosion. Consider you and your family safety,please refuse low-priced chair parts gas cylinder,When you buying a replacement parts gas lift,we suggest you choosing a good quality with a certificated.

As an professional furniture parts factory,we supply class 3 chair gas lift, class 4 chair gas spring,class 1 is unavailable because it is low quality.

The main difference between class 1,class 2,class 3 and class 4 is the thickness of inner tube and outer tube. You can find the differences by net weight.chair gas list of class 4 is the most weight, chair gas list of class 3 is the second weight,then is chair gas list of class 2.

Still have questions for chair gas lift cylinders? Please feel free to call or email us.