Axle is the main accessory of wheelset. In addition to the wheel forming the wheel, both ends should cooperate with the axle case oil lubrication device to ensure the safe operation of the vehicle. According to the different bearings used, axles are divided into sliding bearing axles and rolling bearing axles.Axle is made of high quality carbon steel, such as open furnace steel or electric furnace steel ingot or special axle billet heated forging molding, after heat treatment and mechanical processing.
Shanghai Bosheng Industries Co., Ltd pays great attention to quality control and management. Our A55 Crane 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 A55 Crane 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 A55 Crane Rail, and provide raw material certificate and other means to control the testing process.
3.According to the different requirements of A55 Crane 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 A55 Crane 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.
Geprüfter Lieferant 
