The ultimate comparison of Gas Spring, Hydraulic Spring, Iron Spring,told you that why you should choose our Arm!!! 1.In Sensitivity: The Hydraulic Spring uses the extremely expensive raw materials.It's the most sensitive than the Iron Spring,Gas Spring.360 degree rotation(180 Degree in each direction),full motion as your like and your need.Precision and never springback. 2.In Precision: The starting force of Iron Spring is strong so that the controllability is bad while the Hydraulic Spring is small to start, and it's contollablity is terrific! 3.In Weight Capacity:The Hydraulic Spring uses the Oil-gas mixture device while the Iron Spring uses the iron compression spring or tension spring,and the Gas spring uses the active nitrogen.The Hydraulic spring can bear more weight than that two. 4.In working life:There is obvious reducation of the Gas Spring,the Iron Spring is easy to get old and rust,whereas the Hydraulic Spring can service for 10 years long even more!! Ok,in short,the Hydraulic Spring yearly output is low,it is very rare and expensive.We can say that you buy one,you have earned already!
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