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This policy will help you understand the following:

1、 How we collect and use your personal information

2、 How we store and protect personal information

3、 How can we entrust, share, transfer and publicly disclose your personal information

4、 How do you access and control your personal information

5、 Statement of third party liability

6、 Special agreement on minors' privacy

7、 Application and revision of this policy

8、 Key words in this policy

We, lingdu (Guangdong) Intelligent Technology Development Co., Ltd. (hereinafter referred to as "we" or "lingdu intelligent") respect and protect your privacy. When you browse our website or use our products and services, we will explain to you how lingdu intelligent will collect, use and store your personal information and what rights you enjoy through lingdu intelligent privacy policy (hereinafter referred to as "this policy"). We will strictly abide by this policy. Through this policy, lingdu intelligent makes the following important commitments to you. If you want more detailed information, please read the corresponding chapters according to the above index:

1. We will explain the type of your personal information we collect and its corresponding purpose one by one, so that you can understand the type, reason and collection method of the specific personal information we collect for a specific product, service or function.

2. When you use some functions, we will collect some of your sensitive information after obtaining your explicit authorization, unless it must be collected according to relevant laws and regulations. Refusing to provide this information will only make you unable to use the relevant specific functions, but will not affect your normal use of the core functions of lingdu intelligent products and services.

3. lingdu intelligent will not actively share or transfer your personal information to a third party. If a third party needs to share or transfer your personal information, we will explain the reasons and obtain your express consent.

4. you can access, correct and delete your personal information through the ways or channels listed in this policy, and you can also withdraw your consent, cancel your account, complain and report, and set privacy functions to achieve your control over your personal information.

You understand that this policy is closely related to your use of this website and lingdu intelligent products and services. We suggest you carefully read and understand all the contents of this policy and make the appropriate choices you think. We strive to use simple and concise words to express, and use bold words to mark the clauses in this policy that have or may have a significant relationship with your rights and interests to remind you.

If you have any questions about this policy, or any related complaints and comments, please contact us by visiting the contact us page. We are glad to be able to deal directly with your problems and meet your needs.

You understand and agree that as long as you use this website, or click the "I agree" button in the account registration procedure to complete the registration of lingdu smart account, or actually use our services and products, it means that you agree with us to collect, use, store and share your relevant information in accordance with this privacy policy. We promise to protect your personal privacy and data security in accordance with applicable laws (including data protection regulations in your location). At the same time, we promise that all our employees will also fulfill these obligations. We collect, store, use and share your information to provide you with better services and improve the quality of our products (such as supporting us to develop new products or improve the functions of existing products, providing and recommending better or suitable services for you, etc.). You do not need to actively provide us with any personal information, but if you voluntarily provide us with the information listed in this policy according to our request, you can enjoy better and more convenient services, and respond to your request in a more timely manner, so as to avoid the adverse impact on you caused by our failure to contact you in a timely manner.

1、 How we collect and use your personal information

（1） The way, type and purpose of information we collect

1. the information you provided when you registered lingdu smart account. When you register lingdu smart account and use lingdu smart products and services through your lingdu smart account, we will collect and store your personal information, including your email address, user name and password, user account of third-party software, nickname and avatar information, receiving address, billing information and phone number. The purpose of collecting and using this information is to provide you with products and services, process orders and shipments, provide customer service and communicate directly with you. For example, after you successfully register your account, we will send you e-mail for new product introduction, account verification, order confirmation, major changes and updates of service functions, technical and security notices, etc. You can reject such messages or push them through the relevant settings in the message.

In addition, in order to provide you with services and improve service quality, we may also collect other information about you, such as the relevant information you provided when our customer service team contacted you, the questionnaire reply information you sent to us when you participated in the questionnaire survey, etc. If you refuse to provide such information, it will not affect the basic functions of using lingdu intelligent services, but may affect the quality of service we provide you.

Information we collect from registered robotic devices. If you use the application to register online and bind to the robot, we will collect your location information and terminal device information (including device ID, serial number or product code, IP address, etc.). In special cases, such as when the robot reports an error, we will collect the robot cleanable contour map to help you deal with problems such as fault reporting.

2. Information we collect from websites and mobile device clients. In order to ensure the quality of the services we provide you and the security of your information, when you visit lingdu intelligent website or lingdu intelligent mobile device client, and use the services provided by lingdu intelligent, we may record the category and mode of your use of the services, the operation information when using the services, and other service related log information, such as your IP address, the version and device ID of your mobile device Device identifier and your location, etc.

You understand and agree that in accordance with applicable laws and regulations, court orders or other legal procedures, and administrative or judicial mandatory requirements, we can provide your personal information to the relevant competent authorities without your authorization and consent.

2、 How we store and protect personal information

1. where we store your information. The personal information we collect and generate in China will be stored in China. If the relevant personal information collected in China is transmitted to overseas institutions due to business needs, we will implement it in accordance with laws, administrative regulations and the provisions of relevant regulatory authorities, and require overseas institutions to keep the personal information confidential through signing agreements, verification and other effective measures. We will only retain your personal information for the period necessary for the purpose stated in this policy and within the time limit required by laws and regulations.

2. our data security capabilities and policies. We promise to make information security reach the security level required by laws and regulations. To protect your information security, we are committed to using various security technologies and supporting management systems to prevent your information from being leaked, damaged or lost. At the same time, we have set up a personal information protection responsibility department, established relevant internal control systems, adopted the principle of minimum sufficiency authorization for staff who may have access to your information, and strictly controlled the data access process and approval mechanism.

3. our reporting mechanism for personal information security incidents. Please understand that due to the limitation of technical level and various malicious means that may exist, personal information security incidents may unfortunately occur due to factors beyond our control. If a security incident occurs, we will promptly inform you of the basic situation and possible impact of the security incident, the disposal measures we have taken or will take, the suggestions you can independently prevent and reduce risks, and the remedial measures for you, etc. in accordance with the requirements of laws and regulations. We will promptly inform you of the relevant information of the incident by mail, letter, telephone or push notification. If it is difficult to inform you one by one, we will take a reasonable and effective way to make an announcement. At the same time, we will actively report the handling of personal information security incidents in accordance with the requirements of regulatory authorities.

4. we delete your information. If we stop your service or operation, we will stop collecting your personal information in time, and notify you of the notice of stopping operation in the form of delivery one by one or announcement. At the same time, we will delete or anonymize your personal information we hold.

3、 How we delegate, share, transfer and publicly disclose your personal information

（1） Entrusted processing

In order to provide you with better or required products or services, we may entrust a third-party service provider to analyze and process your personal information. The above third-party service providers will analyze and process your personal information in the name of lingdu intelligence. Lingdu intelligent promises to you that when we entrust a third party to process personal information, we will comply with the following requirements:

1. it will not analyze and process information beyond the scope that lingdu intelligent has obtained your authorization and consent;

2. evaluate the data security capability of third-party service providers in advance to ensure that they have the data security capability required by laws and regulations;

3. bind the responsibilities and obligations of the third-party service provider through the contract, make it comply with all applicable laws and regulations, industry rules and standards, enterprise norms and code of conduct in your jurisdiction, and require it not to be lower than our standards to comply with our obligations to you;

4. Accurately record and save the entrusted personal information to ensure your information security and effective access to and control over your information.

5. ask the third-party service provider to delete your personal information and destroy all data copies when the entrustment relationship is terminated.

Some of our third-party partners may collect data generated when you use this product through software programs integrated in this product, such as Youmeng. These third parties may collect your IP address, web page access records and other information, and use them for pushing personalized advertising, software optimization and other purposes.

（2） Sharing and transfer

In principle, we will not share or transfer your personal information to any company, organization or individual. In the following exceptions, we will share your personal information for legal, legitimate and necessary purposes. The third party receiving the data has no right to use the personal information shared or transferred by us for other purposes beyond the scope of this privacy policy.

1. it is necessary to provide you with products or services and obtain your express authorization and consent in advance

You understand and agree that lingdu intelligence is necessary to provide you with better or meet your requirements. It may share and transfer your personal information to affiliated companies or other third-party service providers on the premise of obtaining your express authorization and consent. For example, when you purchase products through lingdu intelligent website, we may share your transaction information with the bank or your counterparty to prove the true existence of the transaction and safeguard your legitimate rights and interests. At the same time, we must share your address information with the logistics service provider to arrange delivery. Lingdu intelligent may also entrust a third-party data analysis company to analyze and process your personal information.

Lingdu intelligent promises to you that we will comply with the following requirements when sharing and transferring your personal information to the above-mentioned third parties:

1) Carry out personal information security impact assessment in advance, and take effective measures to protect personal information subjects according to the assessment results;

2) Accurately record and save the sharing and transfer of your personal information, including but not limited to the date, scale, purpose of sharing and transfer, as well as the basic information of the data receiver, so as to help you understand the storage and use of your information by the data receiver;

3) Ensure your information security and effective access to and control over your information, such as access, correction, deletion, cancellation of account number, etc.

2. Information transfer in case of acquisition, merger, reorganization and other changes

With the continuous development of our business, we may conduct merger, acquisition, asset transfer and other transactions. We will inform you of the relevant circumstances and continue to protect or require the data receiver to continue to protect your personal information in accordance with laws and regulations and standards not lower than those required by this policy.

3. share your personal information based on laws, regulations and mandatory requirements of regulatory authorities

We may provide your personal information to the corresponding competent authorities in accordance with applicable laws and regulations, court orders or other legal procedures, and administrative or judicial mandatory requirements. Information sharing in such scenarios does not require your authorization and consent.

（3） Public disclosure

We will not publicly disclose your personal information. If public disclosure is necessary, we will inform you of the purpose of this public disclosure, the type of information disclosed and the sensitive information that may be involved, and obtain your express consent.

4、 How do you access and control your personal information

1. how do you access and correct your personal information. You can log in to your lingdu smart account through the official lingdu smart website and click "account management", or log in to your lingdu smart account from the mobile phone client and click "my personal information management", view or modify your personal data, or make relevant privacy and security settings; However, you may not be able to modify some of the initial registration information you provided at the time of registration for the sake of security and identity recognition or in accordance with the mandatory provisions of laws and regulations.

2. how do you reject marketing announcements. You can reject the marketing announcements we push to you through the "unsubscribe" button on any email we send. Please note that you cannot unsubscribe or refuse to receive messages related to your account, such as account verification, order confirmation, change or update of service functions, or technical and security notifications.

3. How do you delete your personal information. If you find that our collection and use of your personal information violates laws, administrative regulations or the agreement with you, you can contact us or ask us to delete your personal information collected under this violation through online customer service.

4. how do you correct your personal information. If you find any error in your personal information collected and stored by us, you can contact us or ask for correction through online customer service.

5. before responding to your above 4 and 5 requirements, in order to ensure security, we need to verify your identity and voucher data first, and after passing the verification, we will complete the processing within five (5) working days; In case of special circumstances, a reasonable explanation for the response or failure to respond in a timely manner will be made within no more than thirty (30) days or within the time limit specified by laws and regulations. In addition, we will notify any third party who receives your information according to section 4 to respond to your requests in Items 3 and 4 at the same time.

6. how do you cancel your lingdu smart account.

You can contact us or request to cancel your lingdu smart account through online customer service. Please note that after your account is cancelled, we will delete or anonymize your personal information.

7. despite the above agreement, according to the requirements of laws and regulations, we may not be able to respond to your request under the following circumstances:

1) Directly related to national security and national defense security;

2) Directly related to public safety, public health and major public interests;

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