Shandong Baodelong Steel Pipe Manufacturing Co., Ltd, combined by Liaocheng Lida Steel Pipe company and Tianjin Jinhuayi group, has been in production in February 2009. It's located in Wuyishan Road, Liaocheng Economic Development Zone. Which is the first new large-diameter hot-rolled steel pipe enterprise, designing of annual production capacity 150, 000 tons, output value more than RMB 800 million. As the Key Protection Corporation in Shandong Province, has been praised as "advanced unit in quality management", "heavy contract, keep promise unit". We product various specification of new type hot-rolled steel pipe, the diameter 108-530(mm) and the wall thickness 4 -16 (mm), with uniform thickness, reliable quality and superior performance, fully meet or exceed the quality of traditional seamless steel tube. The production widely used for heat exchange, low-medium pressure boiler, municipal pipelines (steam heating, gas transmission, etc. ) as well as the chemical industry, power plants, chemical fertilizer, oil and other fields.