Privacy Policy

ESJ Microwave Technology Co., Ltd. (hereinafter referred to as “ESJ” or “we”) highly values the privacy and personal information security of its customers, website visitors, and business partners (hereinafter collectively referred to as “you”). This Privacy Policy aims to explain in detail the scope, methods, and purposes of our collection, use, storage, transmission, and sharing of your personal information and other related information during our business operations, as well as your legal rights to access, correct, delete, and withdraw authorization, and the methods for exercising these rights. This policy applies to all business activities led by ESJ, including but not limited to the official website of ESJ (including but not limited to computer versions, mobile web pages, and related mini-programs), product sales and after-sales service, business consultation and cooperation, etc.

1. Scope and Methods of Information Collection

We will only collect information necessary for the realization of business functions for legitimate business purposes and will not proactively collect information unrelated to business. The specific scope and methods of collection are as follows:

(I) Information Automatically Collected by the Server

When you visit our official website, our web server will automatically record and store relevant access log information through technical means. This type of collection does not require your additional authorization and is a necessary part of the normal operation of the website. The collected log information includes, but is not limited to: your device information (such as device model, operating system version, device unique identifier, browser type and version, browser plugin information), network connection information (such as IP address, network operator, access network type, network connection status), and access behavior information (such as the URL of the redirected page before the visit, the path of the website page visited, the page dwell time, click operation records, access time and date, and access frequency). The above information is used solely for website operation status monitoring, access traffic statistics, system fault diagnosis, network security protection, and optimizing the website user experience.

(II) Information Collected by Cookies and Similar Technologies

To improve your website experience, we may use cookies, web beacons, and similar technologies to store some of your usage preference information. Cookies are small text files sent from a website server to your browser and stored on your device. Their main functions include: recording your login status (if you have completed website registration or login), saving your page browsing preferences (such as font size, language settings, theme selection), and remembering information about products or services you have previously viewed so that you do not need to repeat the settings when you visit again. In addition, we may use cookies to analyze the popularity of various sections of the website and user behavior habits, thereby optimizing the website content layout and service processes accordingly.

(III) Information You Voluntarily Submit

When participating in specific business activities, you may need to voluntarily submit relevant information to us, including:

1. Website Registration/Login: If you need to use the website’s personalized services (such as online consultation, product quotation application, document download, etc.), you need to complete user registration. At this time, you need to submit your email address, set a username and password, and in some scenarios, you may need to supplement your basic information such as your name and contact number;

2. Business Consultation and Cooperation: When you consult ESJ microwave products (such as RF products), seek business cooperation, apply for product quotations or after-sales service through website messages, online forms, emails or telephone, you need to provide your name, company name, contact number, email address, consultation or cooperation requirements, etc. If product customization or bulk purchase is involved, you may also need to provide relevant technical parameter requirements, purchase quantity, delivery address, etc.;

3. Other Scenarios: If you participate in our online/offline events (such as industry seminars, product launches, surveys, etc.), you will need to provide your name, contact number, and company information as required by the event so that we can complete the event registration statistics, entry verification, and subsequent feedback collection.

(IV) Information from Third-Party Sources

Subject to relevant laws and regulations and with your authorization, we may obtain your relevant information from legal and compliant third-party channels. For example: obtaining your company name, contact person information, and cooperation needs from business partners (provided that the partner has obtained your authorization); obtaining anonymized market research data from legitimate industry information consulting agencies (this type of data usually does not contain personally identifiable information). We will verify the legality and authenticity of information from third-party sources to ensure that the information obtained complies with relevant privacy protection regulations.

1. Purpose and Method of Information Use

The information we collect will be strictly used for the following legitimate business purposes. Without your explicit authorization, the information will not be used for any other unrelated purposes:

(I) Optimizing Website Services and User Experience

We will utilize server log information, usage preference information collected via cookies, etc., to analyze website traffic characteristics and user behavior habits, identify problems in website operation (such as slow page loading, functional abnormalities, etc.), and thereby optimize website page design, functional layout, loading speed, etc., to provide you with a more convenient and smooth website experience. For example, we will automatically display website content in the corresponding language version based on your browser language settings, and recommend products or services that may be of interest to you based on your browsing history.

(II) Providing Business Consultation and Product Services

For business consultations, product quotations, after-sales service applications, etc., that you proactively submit, we will use them to meet your needs and provide you with relevant consultation responses, product solution design, quotation issuance, order follow-up, product delivery, after-sales maintenance, and other services. For example, we will communicate with you regarding product technical details using the contact number you provide, arrange product transportation based on the delivery address you provide, and provide repair guidance or on-site service based on product malfunction information you report.

(III) Marketing and Information Notification

If you have explicitly agreed to receive our marketing information (e.g., through selecting relevant options during registration, actively subscribing, etc.), we may send you information such as ESJ’s new product launches, product upgrade notifications, details of promotional activities, and industry news via email, SMS, etc., so that you can stay informed about our latest business developments. We promise not to sell, rent, or lease your email address, contact number, or other personal information to any third party for commercial promotion.

(IV) Information Security and Compliance Operation

We will use the collected IP addresses, device information, etc., to monitor website access behavior, identify and prevent security risks such as malicious access, cyberattacks, and information leaks, and protect your personal information and our website system security. At the same time, relevant information may be used to meet compliance operation needs such as fulfilling information retention obligations stipulated by laws and regulations, responding to compliance inspections by regulatory authorities, and resolving potential legal disputes.

III. Your Rights and How to Exercise Them

According to relevant laws and regulations, you have the following rights regarding the personal information we collect and use, and we will provide you with convenient ways to exercise these rights:

(I) Right to Access and Correct Information

You have the right to access the personal information we collect about you (such as your registration information, consultation records, order information, etc.). If you find any errors or incomplete information, you have the right to request us to correct it. You can exercise this right through the following methods: log in to your personal center on the website to view or modify your registration information; submit an information access/correction application through the “Contact Us” section of the website; send an email to our official customer service email address ([please fill in the official customer service email address here]), or call our official customer service hotline ([please fill in the official customer service hotline here]), providing your identity verification information (such as username, registered mobile phone number, etc.). We will process your request promptly after verifying your identity.

(II) Right to Delete Information and Withdraw Authorization

If you believe that our collection and use of your personal information violates relevant laws and regulations, or if you no longer need us to provide you with related services, you have the right to request us to delete your personal information or withdraw your previous authorization to use the information (such as withdrawing authorization to receive marketing information). You can submit a deletion/withdrawal request through the customer service contact methods stipulated in this policy. We will process your request promptly after verifying your identity, provided it complies with laws and regulations and is necessary for business operations. Please note that if you withdraw partial authorization (such as prohibiting the use of cookies), you may be unable to use some personalized functions of the website normally; if you request the deletion of necessary information related to business services, it may affect our ability to provide you with subsequent services.

(III) Right to Unsubscribe from Marketing Information

If you no longer wish to receive marketing promotional information from us, you can easily unsubscribe in the following ways: click the “unsubscribe” link in the marketing emails we send to complete the unsubscribe operation; or inform us through customer service channels, and we will promptly stop sending you relevant marketing information. After unsubscribing, we may still send you necessary information related to business services (such as order confirmations, after-sales service notifications, etc.), please be aware of this.

(IV) Right to Manage Cookies

You have the right to manage or disable cookies according to your needs. Most browsers provide cookie settings. You can view and delete stored cookies, or set your browser to prohibit websites from storing cookies, through options such as “Settings” and “Privacy & Security”. Please note that disabling cookies may result in issues such as inability to log in to the website, use of personalized services, or malfunction of some website functions. You will be solely responsible for any inconvenience caused.

1. Supplementary Notes on Cookies

(I) Types and Functions of Cookies

We primarily use two types of cookies: essential cookies and functional cookies. Essential cookies are necessary for the normal operation of the website’s basic functions, such as cookies that record your login status or ensure secure access to the website. These cookies cannot be disabled; otherwise, the core functions of the website will not function properly. Functional cookies are set to improve user experience and provide personalized services, such as cookies that record your browsing preferences or recommend related products. You can choose whether to enable these cookies according to your needs.

(II) Use of Third-Party Cookies

In addition to our own use of cookies, we may allow third-party service providers (such as third-party advertising service providers and data analysis service providers) to use cookies on our website for purposes such as advertising effectiveness analysis and user behavior data statistics. The use of cookies by third-party service providers is subject to their own privacy policies, and we are not responsible for their use of cookies. You can learn about the cookie usage rules of third-party service providers through their official channels and manage your related permissions independently. (III) Cookie Storage and Deletion

Cookies are typically stored on your device’s hard drive or in your browser cache. Their storage period varies depending on functional requirements. Some cookies are automatically deleted when you close your browser (session cookies), while others are stored long-term (persistent cookies). You can manually delete all stored cookies through your browser’s settings or set automatic cookie deletion rules.

1. Information Security and Protection Measures

We highly value your information security and have established a comprehensive information security management system. We have adopted a series of technical and management measures to ensure that your personal information is not leaked, tampered with, lost, or misused:

1. Technical Protection Measures: We use data encryption technology (such as SSL/TLS encrypted transmission) to protect the information transmission process; we deploy security equipment such as firewalls, intrusion detection systems, and data leakage prevention systems to prevent network attacks and information leaks; we classify and manage stored information hierarchically, and take additional encryption storage measures for sensitive information.

2. Management and Protection Measures: Establish strict information security management systems and operating procedures, clearly defining the information security responsibilities of each position; conduct regular information security training and assessments for employees to enhance their privacy awareness; strictly control information access permissions, allowing only authorized personnel to access relevant information within the scope necessary for business operations.

3. Emergency Response Measures: Develop emergency plans for information security incidents, conduct regular emergency drills, and in the event of information leakage, tampering, or other security incidents, promptly activate the emergency plan, take remedial measures, and report to you and regulatory authorities in accordance with relevant laws and regulations.

1. Policy Updates and Notifications

This Privacy Policy may be revised based on updates to laws and regulations, adjustments to business models, and technological advancements. When this policy undergoes significant changes (such as changes to the scope of information collection, purpose of use, sharing methods, or other core content), we will notify you through the following methods: publishing a policy update announcement in a prominent position on the homepage of our official website; sending an update notification to the email address or contact number you submitted during registration. Please review this Privacy Policy regularly to understand the latest privacy protection rules. Your continued use of our services after this policy is updated constitutes your agreement to the revised Privacy Policy.

VII. Contact Information

If you have any questions, objections, or need to exercise your rights or provide feedback on privacy protection issues regarding this Privacy Policy, please contact us through the following methods:

– Official Customer Service Hotline: 0086-185-2083-9701

– Official Customer Service Email: info@esjmw.com

– Company Address: Room 506, 5th Floor, Building 21, No. 2163, Wanyuan Road, Minhang District, Shanghai, China

We will provide you with feedback or processing results within 3 working days after receiving your inquiry or application.