延长买的车

SpecificationsExtension spring1.Widely used in automobiles,motorcycles,amusement park 2.Materials are high carbon steel,stainless steel3.Extension springs are springs which absorb and store energy by offering to a pulling force. 4.Most extension springs are wound with initial tension which holds the coils together and offers resistance to a pulling force. 5Extension springs are the direct opposite of compression springs, in that they are close-coiled helical springs that extend under a pulling force. 6.Extension springs can have many different styles of hooked and looped ends. The most common are the following:Machine Loop,Crossover,Extended,Offset Hooks and wire forms. If you have any questions,please have no hesitate to contact us.