Handan City, specializing in the production of standard fasteners day sheave, wheels, mine wheels, chain wheels, bend machine, said plywood, industrial parts, railway parts. Mass production sheave, wheels, mine wheels, chain wheels, bend machine, said plywood, industrial parts, railway parts, industrial parts wholesale, price, standard fasteners, Ltd. Handan City days to provide you with the latest price quotes, for businessmen to provide the most valuable days of wheel to wheel, mining wheel, chain wheel, bend machine, said plywood, industrial parts, railway parts information. (1) Classification. Rail approximate weight per meter of kilograms, can be divided into two heavy rail and light rail: ① heavy rail. Steel used by the steel is divided into: ordinary manganese rails, copper carbon steel rail, high silicon containing steel rails, copper rails, rail manganese, silicon, and other tracks. There 38,43,50 kg three. There are also a small number of 45kg for rail line, has been planned on the large volume and high-speed rail line with a 60kg. GB2585-81 provides our 38 ~ 50kg / m rail technical conditions. ② light rail. There are various tracks 9,12,15,22,30 type. (2) the manufacture and use. Rail using open hearth, oxygen smelting carbon killed steel rolling together. Its purpose is to withstand the operating pressure of the rolling stock and shock loads. (3) manufacturing plant and importing countries. Use of existing rail, mainly because some domestic steel production, such as Anshan Iron and Steel, Wuhan Iron and so on. In addition, due to the larger amount, still need to import some of the physical and chemical properties of the technical standards according to the requirements of the relevant standards and methods by foreign judgment rails and rail accessories. Imported producing countries Japan, Germany, France, Britain, Russia, Australia and so on. Handan City, specializing in the production of standard fasteners day sheave, wheels, mine wheels, chain wheels, bend machine, said plywood, industrial parts, railway parts. Mass production sheave, wheels, mine wheels, chain wheels, bend machine, said plywood, industrial parts, railway parts, price, standard fasteners, Ltd. Handan City days to provide you with the latest quotes Quotes mining accessories models, for businessmen to provide the most valuable days of wheel to wheel, mining wheel, chain wheel, bend machine, said plywood, industrial parts, railway parts information. Information and knowledge about the railroad began to spread Chinese mining accessories, roughly around the Opium War in 1840. At that time China's patriotic insight such as, Lin, Wei, Xu Jiyu, who has the books, introduce railway knowledge. In 1876, first appeared on the Chinese railway land, which is the British Capital Group fraudulently trespassing Wusong railway building. The railway operates more than a year industrial parts manufacturers, the Qing government was redeemed dismantled. China's first railway built himself - Beijing-Zhangjiakou Railway (now Beijing-Tibet Railway). Jing Zhang railway linking Beijing Fengtai by Pass, Gaza City, Zhangjiakou, Hebei Xuanhua to a total length of 201.2 kilometers, built in 1909, is China's first use of foreign funds and personnel are not completed by the Chinese people themselves, railway put into operation - Before the first Beijing-Zhangjiakou Railway has built China Town is easy to gaobeidian new railway, also increased Represented completed, but only the Empress Dowager Cixi ancestors used). Represented is the chief engineer of the construction of the railway, the Beijing-Zhangjiakou Railway Bureau serves as the General Office. Mining accessories wholesale, mining accessories feicheng immediately discount | Handan days from the day marked the manufacturers to provide standard fasteners. If you have any questions about this information or consultation, please contact us now! Our Company Name: Handan City Days Standard Fastener Co., Ltd. (www.hdtbjgj.com) Contact: Wang poly North Korea, or click on "Business League call" direct dialogue with us!