新西兰混凝土轨枕(第二代)项目
时间:2017年04月28日
点击:1987
In recognition of PPD team, product and service, PPD were awarded new contract by New Zealand Client to supply Generation II concrete sleepers to New Zealand. With affluent experience obtained from previous sleeper projects, we have managed to adopt the Australian standard to optimize the sleeper design to achieve better strength and durability.