Tractor and Automobile Axes

dear company,we would like to get more detailed description of your prices about tractor's and automobile axes which you have in stock . And bacouse of it we would like you to send us price list about your production..I would like you to send us the whole catalogue, becouse we make trailers and their weight-carrying ability is from 1 to 20 tonne We are intrested in axes with high and low weight-carrying ability