EEDENG can provide complete underground electronic marking solutions. Its products include disk type / medium range underground electronic marker (with ID / without ID), short range / near type electronic marker (with ID / without ID), long range / large electronic marker (with ID / without ID), electronic marker locator, etc., and support the customization of underground electronic marking solutions, Help customers build underground electronic information marking solutions based on M2M and cloud computing technology to realize the visual management of underground assets.