... 1.We are the leading manufacture of gas spring ,This kind of gas spring is widely used in shelf , ... angle as convenient as desired .2.We can supply the goods as you drawing and design .3. ... know the parameters .specifications:Usage: Toyota automobile.Features: 1, Gas: Nitrogen filled inside. 2, Color : black,silver,or ... paint is passed ROHS test; 4,When the gas spring is up and down, it's soomth opration ...