In the late 1970s, China's railway has begun laying and 60kg / m, when the "92" type of turnout yet finalized production. Therefore, the production of a number of ordinary and 60kg / m planing type switch rail climbing system and the entire cast of high-manganese steel front legged frog points. Buying between its performance between "75" type and the "92" type of mine turnout, so called "transitional turnout" planned transition turnout in the "92" after the verdict turnout discontinued operation, but the elastic bending tip rail with end processing technology to 1986 by the Ministry of Railways technical appraisal before, it was not until 1987 did not stop "transitional turnout" production. By the end of 1996 60kg / m rail turnout mine area, a total of 5,000 Chinese railway group "transitional turnout" mine turnout model, in a fairly long period of time can not replace all. With the rapid development of China's economy, intense competition in the road by the railway, civil aviation, the opening line of fast, accurate high-speed or high-speed trains have been included in the agenda of the railway. 1994 revision released "main railway technology policy" in coal simple turnout of China's railway traffic speed made the following different levels of the target. In economically developed coastal passenger traffic concentrated in the eastern corridor, the highest growth rate 250km / h and above the high-speed passenger dedicated line; quasi-high-speed lines maximum speed 160km / h. Passenger trains on busy Route maximum speed 140km / h, the maximum speed of freight trains 90km / h. Passenger trains on other lines gradually increased to a maximum speed of 80 ~ 100km / h. Buying Shandong coal mine turnout turnout _ _ machinery provided by Lin Xin Yang Zhou Xin Yang Machinery Industrial Co., Ltd. Forest City Xin Yang Machinery Industry Co., Ltd. (www.lzxyjx.com) strong, credible, in Henan railway, subway equipment and other equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xin Yang Machinery and you hand into the brilliant, for a better future!