Shandong Molong Petroleum Machinery Company Limited engages in the design, research and development, production, and sale of products for the energy equipment industry in the People's Republic of China. The company operates through Pipe Products, Three Kinds of Pumping Units, Petroleum Machinery Parts, Tube Blank, High-End Castings and Forgings, and Others segments. The company's products include API and non API casing products, line pipe products, precision steel pipes, hydraulic prop tubes, fluid pipes, cylinder tubes, and boiler tubes; sucker rods; and valve body, cylinder liners, gate valves, and billet products.

Its products are used in petroleum, natural gas, coalbed methane, shale gas, machinery processing, urban pipe network, etc., as well as used in equipment for oil and gas drilling, and wind turbine castings. In addition, the company engages in the research of new materials for energy equipment; production and sale of metal casting and forging; sea water desalination activities; waste heat and gas power generation activities; and manufacture and sale of special equipment. It also exports its energy equipment.

Shandong Molong Petroleum Machinery Company Limited was founded in 2001 and is based in Shouguang City, China.