For the spring stiffness, such as a total of seven pieces of order. The top six pieces of specifications for 60 * 9, 7 pieces of specifications for 60 * 7, material are 60 si2mn, length of 1140 plate spring loading, front end lug installed aperture Φ 40, back-end lug installed aperture Φ 40

After the plate spring code: 2912010 d800. Such as two levels of spring stiffness, a total of nine pieces of order. Four main spring specifications don't 70 * 11, five piece pay spring specifications for the first four piece 70 * 9, 5 pieces of 70 * 11, the main pay spring material are 60 si2mn, length of 1250 plate spring loading, front end lug installed aperture Φ 25, back-end lug aperture Φ 16.15 installation