... of the leading concrete pump spare parts manufactures in ChinaInculd:Pipe Factory ,Casting Factory ,Wear Plate Factory ,Rubber Hose FactoryPipe ... ,Chile,Kuwait,etc Country,Every month ,we export Concrete Pipe about 6000Pipes,The company now has superb technology, advanced ... kind flange ,and best Electrode wearTwin Layer Pipe:is very popular in American, our Twin Layer Pipe has two kind ,one kind is ...