Jiangsu 16Mn steel 16Mn steel standard pipe _ Liaocheng strength divided by 300,350,400 and 450MPa, such as four levels. There are Q295, Q345, Q390, Q420, Q460. : "Q" is the yield of the "Qu" pinyin word uppercase first, followed by figures for grades minimum yield point (σs) value, followed by the symbol is in accordance with the steel impurity elements (sulfur, phosphorus) content by high accompanied by changes to the low carbon, manganese and is divided into A, B, C, D four and so on. Where A, B grade steel is usually called 16Mn 16Mn steel pipe sold by the company except for the oil, coal, chemicals, fertilizers, boilers, construction machinery, shipbuilding and other industries, is also widely used in automotive parts and other machinery processing enterprises. The company's operating philosophy: "the same product than the quality of the same quality than price, the same price than service, the same service than credibility." Miho service: quality assurance to ensure time to ensure that the number. Services: a strong, high-quality products, low prices, first-class service. Operating principles: customer first, quality, variety, reasonable prices.