WEDO sleeper for railways Our business scope of railway sleeper mainly covers the products like YII-F, XII IIIA, XIIIQ, IIIQA, IIIC, IIIQC sleepers, wide sleepers, capacitance sleeper, switch sleeper, sleepers and supporting pad for urban rail transit. Meanwhile, we are also competent in manufacturing products like Type I , II and SK-II (double-block type) sleepers used for high-speed rail. With our own R&D, we also could design the sleeper as per required and according to the different standard. z