We have received a request for quotation for the following parts from a customer who owns a container semi-trailer tri-axle air suspension manufactured by BOGO in Korea. Please give us a quotation and delivery date. We will send you the vehicle inspection certificate of the relevant vehicle. Please note that the axle used in this container semi-trailer is Huajing's 13-ton axle. 1) Air suspension bellows x 4 2) Slack adjuster x 6 3) Double Air-chamber x 4 4) Singel Air-chamber x 2 5) Back plate (Right up and down) x 1 6) Back plate (Left up and down) x 1 7) Hub oil seal x 6 8) Packing x 6