Huajing machine manufactur Co., Ltd is a professional manufacturer of (semi)trailer assembly, providing all kinds of suspension system and other trailer parts. ISO9001: 2000 and Ts16949 certificated. HJ provides customers with assorted and high performance 9T-18T semi axle assembly, 24T-36T single point suspension(bogie) system, 2-4T axle mechanical suspension assembly, 28T cantilever bogie and semi trailer spare parts. HJ semitrailer axle has the advantages of over-loading, high intensity, not easy to distort, long life. Price Competitive, welcome inquiry.