The registration address of hebei ding dynasty company limited is located at 637 euen street, west industrial district, seon ding city, hebei province. The registration authority is the city's market supervision authority. Production and sale of high-school low-voltage tubes and aggregates, metal hoses, swelling sections (compensators), soft connectors, wavelines, steel wire-enhanced hydraulic rubber hoses and tubing combinations, steel wire-enhanced hydraulic hoses and tubing combinations that enhance external overlay rubber, revolving drilling equipment hydro-bands, high-voltage resistant hoses, high-voltage impregnated hoses, skateboards, flasks, nylon plastic fittings, high-pressure overlonged composite pipes, flame-resistant electric kits, rubber-coated, soft-pipe connections, high-school low-pressures by tungsten and flang, fast-tracked, rubber seals, filtering, cotton filtering, core filtering, shipboard fittings, mechanical processing, technical research and development services; sale of chemical materials, goods or technical imports and exports (subject to approval by the relevant authorities)**