In 2000, the real estate development company handled the house ownership certificate and the state-owned land use right certificate for you. Prior to this, the real estate development company signed a contract with the local land and resources administration to transfer the right to use state-owned land. According to the contract, the real estate development company pays the land lease fee to the Bureau of Land and Resources, which allows the real estate development company to use the state-owned land for compensation. If the parties pay the transfer fee and use the state-owned land for compensation, the land and resources management authority shall indicate "transfer" on the state-owned land use right certificate. If the parties use state-owned land for free, the land and resources management authority shall indicate "allocation" on the certificate of state-owned land use right; In the contract for transferring the right to use state-owned land, the real estate development company and the land and resources management authority also agreed on the paid use period of state-owned land. Your state-owned land use right certificate indicates that the expiration date is 2030, which means that you have the right to use state-owned land within 30 years. The purpose of your state-owned land use right certificate is "commercial service industry", which means that you have the right to engage in business and service industry on this state-owned land.