Type : Fe6 /ULS6/ULS7..available with drawings and samples Raw material : 65Mn./ 0Si2Mn/Q23 Commodity: spring fastening washer Type : Fe6 /ULS6/ULS7.... all kinds available with drawings and samplesRaw material : 65Mn./ 0Si2Mn/Q235/45#Surface :black etc. we main supply as follows: Commodity: Spring fastening washers1.rail clip,e,skl clip,elastic rail clip,tension clamp2.screw spike,sleeper screw, ...
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