Longgang Ounan Dental Clinic Hospital. Longgang City has a subsidy policy for filling teeth, and Longgang Ounan Dental Clinic Hospital also has such a policy. It is a good policy to reduce the cost of filling teeth. Longgang City is a county-level city under the jurisdiction of Zhejiang Province, which is managed by Wenzhou City and located in the south of Zhejiang Province, on the south bank of Aojiang Estuary.