Railway sleepers are the components on which the rails are arranged with proper gauge. These sleepers generally rests on ballast and is also called as ties in some regions. The load from rails when train passes, is taken by these sleepers and is distributed it to the ballast.
The basic functions of Railway sleepers are to:
hold the rails strongly and to maintain uniform gauge.
transfer the load from rails to the ballast or ground.
reduce the vibrations coming from rails.
offer longitudinal and lateral stability. Shanghai Bosheng Industries Co., Ltd pays great attention to quality control and management. Our 115RE Rail is completely controlled by iso9001-2008 quality system, and we have obtained the production license of railway products from The Ministry of Railways of China. We have a full set of testing equipment to ensure that all of our rail products meet customer requirements. Shanghai Bosheng Industries Co., Ltd is an ISO 9001/2008 certified company. All processes are in accordance with the requirements of ISO quality management system, from supplier quality control to finished products, we are in accordance with the standard procedures, we have strict quality control system for suppliers: 1. Before producing 115RE Rail, we will check and test the raw materials. we require suppliers to provide production batch number, chemical composition, mechanical properties and other testing indicators. 2. Our quality control inspectors take sample sampling and batch testing after the process of manufacturing 115RE Rail, and provide raw material certificate and other means to control the testing process. 3.According to the different requirements of 115RE Rail, we make the corresponding physical and chemical testing and inspection. If the results do not meet our requirements, we will refuse to accept the materials only if they meet our standards. 4. For semi-finished products and their external suppliers of 115RE Rail, we often organize quality control coordination meetings and provide technical advice and guidance. Ensure that qualified products are delivered to our customers prior to shipment.
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