In 2022, Anyang Railway Equipment Co., Ltd. Supplied to Daqin Railway with 444,297 under-rail rubber pads (sizes 10*149*190 and 10*149*185) and 285,112 nylon insulators.
The rail sleeve is also called nylon insert, plastic dowel, nylon dowel, plastic sleeve. Railway plastic dowel pre-inserted into the concrete sleepers and used together with the screw spikes as the fastening components of rail fastening system to fix the railroad tracks.
Angle guide plates, also called rail insulators, are installed under tension clamps of SKL fastening systems, composed of screw spikes, plastic dowels, flat washers, and rail pads.
Railway Insulating Liner is also called nylon insulator, plastic insulator, or railway spacer, it is used to adjust rail gauge and provide electrical insulation and protect the elastic clips or tension clamps from abrasion by direct contact with the rail. The railway track insulators are installed between rail and tie plate.