The registration address of hebei garrisco oil professionals ltd. Is located in the south of the old salt lubashi district of the huic self-government district of mauzhou, hebei province, with the registration authority being the market supervision authority of monchou autonomous district, representing liu guowang, which operates in the areas of manufacturing and processing and marketing: fittings for pipelines; sales: pipes, steel, pyrotechnics and tubes, mechanical equipment; import and export of goods or technology (except for goods and technologies prohibited by the state or involving administrative approval). (projects subject to legal approval may not operate without the approval of the relevant department)