According to the relevant information, the inquiry shows: Floor 1, No.315 Shuanglong Avenue, Yubei District, Chongqing. Provide registration and certification services for real estate owners. Entrusted by the Municipal Bureau of Land Resources and Housing Management, it undertakes the registration of land (including the right to contracted management of land), housing registration, mediation of land ownership disputes and contract disputes, and undertakes the business of related administrative litigation and cancellation of housing registration.