Shandong Dorco Heavy Machinery Co., LTD., located in Puji Industrial Park, Jiaozhou, Qingdao, Shandong Province. We are a large-scale heavy industry machinery manufacturing enterprise in China. The company is mainly engaged in the design, manufacturing, and installation of large-scale equipment such as heavy industry machinery, ring rolling machines, steel spiral welded pipe machines, mining machinery, etc. Its products cover multiple series such as "Self-unloading" is the correct and hyphenated form of the term. construction, sanitation, logistics, mining machinery, as well as key assembly components. Website：www.sddorco.com/WhatsApp：+86 13515323812