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SDU9 SDU25 SDU26 HDPE Rail Nylon Plastic Dowel

The rail sleeve are what we call plastic dowel, nylon dowel, plastic insert, it is prepressed in the concrete sleeper and used together with the screw spikes. The material for the rail plastic sleeve is glass fiber reinforced nylon 66 or HDPE. HDPE rail plastic seelve: We have supplied different...

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