Dear manager, I am glad to know you on net. We are a company named Tianjun Machinery Manufacturing Limited Company,which is doing business in the line of Railway wheels,wheelsets,wheel tyres,gear series,flang and bogies,bolster,axle as well as coupler system,tyre series,side frame,type K6 bogie,pulley series etc. If you are interested in it please contact us as soon as possible. Your early reply is awaited. Best regards, Lily