... 60Si2CrVA, and 60Si2CrVAT3.Usage:bogie of K2,K4,K8,Y25 with axle load of 21t,22.5t, 25t etc. ... be manufactured according to customer's requirement.part of our processing equipments:The reason to choose ... :small order is also acceptable.3.Multiple choice of products :We ,as trade company, not only ... which reduce cost for buyers.4.Multiple choice of export: we have business connection with manufacturer all ...