Jinan Guosheng Machinery Co., Ltd. is located at the junction of Jinan and Zibo, close to Jiqing Highway, with superior geographical conditions, convenient transportation and smooth communication. The company has a long history of professional development, production, sales, service Japanese standard, American standard, German standard, British standard, Russian standard and Australian standard. It is a flange manufacturer in this region and a manufacturer of pressure vessel flanges, carbon steel flanges, stainless steel flanges and other products. With complete specifications, novel structure, excellent technology and complete testing, it is widely used in various fields and has won praise from customers