We have semi trailer series goods. Both OEM and ODM are welcome! Specifications:1) Dimensions and weight:a) Nominal dimensions (L x W x H): 12,500x 2,490 x 1,450mmb) King pin height: 1,1986mmc) Max. payload: 30,000kg2) Running system:b) Axle: various axles like BPW, YORK and FUWA with various bearingsc) Tire: various brands of bias tires or radial tiresd) King pin: forged steel, 2" or 3.5", ...