LegalNotice

1. Scope of Agreement

This User Agreement (the “Agreement”) is entered into between you and Landau Suzhou LLC (the “Company”) regarding your use of the DeepMech AI agent (www.jiagong.ai, “DeepMech”) and related services.

Please read carefully and fully understand all terms, especially those that exclude or limit liability. If you do not agree to any term of this Agreement, do not register for or use the DeepMech service.

2. Services

DeepMech is a desktop cost estimation and quoting tool for the manufacturing industry and provides the following services:

1. AI drawing parsing and cost estimation: parses the 2D/3D drawings you import, breaks down cost elements such as material, machining time and surface treatment item by item, and generates a cost estimate report.
2. Quotation generation and sending: generates customer-facing quotations from the cost estimate, supports PDF export and email sending, and provides an online view page for recipients to view and confirm.
3. Online Quotation Collaboration: when the recipient is also a user of this service, the quotation is delivered to their account inbox as well; the recipient can accept or decline online and add remarks, with status synced to both parties in real time.
4. Custom pricing data in Pro: paid Pro users may enter their own company’s material prices, machining rates, surface treatment and heat treatment prices for use in cost calculations.
5. AI Tokens metering: drawing parsing and cost estimation consume AI Tokens (usage credits) per use; AI Tokens can be obtained by purchase and top-up.
6. Material market price information: displays publicly available market prices for materials, for reference only.

AI-generated content label: relevant pages, copied text and exported files retain an “AI-generated content” label. The notice reads “AI-generated content · Complex or non-standard drawings may produce errors; for reference only”.

3. User Registration

1. You must provide true, accurate and complete registration information, including but not limited to your mobile phone number and company name.
2. You are responsible for safeguarding your account and password; any loss resulting from your failure to do so is borne by you.
3. If you discover that your account has been compromised or is at risk, contact customer service immediately.

4. User Conduct

When using this AI agent service, you shall comply with the following:

1. Comply with the applicable laws and regulations of the People’s Republic of China.
2. Do not upload content that is false, illegal or infringes the rights of others.
3. Do not use this AI agent for any activity that may harm the interests of the Company or other users.
4. Hold lawful rights of use or ownership of the drawings and technical documents you upload.

5. Purchase, Activation and Fees

1. Basic: discontinued on 2026-09-08; existing licenses remain valid. Activation codes purchased before that date can still be activated; an activation code is a one-time credential, so please keep it safe. Pro is a monthly / yearly subscription paid as a one-time payment with no auto-renewal.
2. Device binding: one activation code is bound to 1 device, and only 1 device may be online per account at a time. You may rebind devices yourself within the personal edition (up to 2 times in any rolling 30-day period); in special cases such as device failure, contact customer service for assistance.
3. Sign-in and activation: signing in is free; importing drawings, cost estimation and exporting quotations require an active Pro or Flagship plan, after which drawings can be imported.
4. Pro and Flagship: billed monthly or yearly (prices as published in the app), paid as a one-time payment with no auto-renewal, and activated in the WeChat Mini Program (Flagship purchase in the desktop app to follow). Renewing the same tier extends from the original expiry date; upgrading from Pro to Flagship takes effect immediately, with the validity period calculated from the upgrade date based on the newly purchased cycle, and the remaining Pro time is neither converted nor refunded. When a plan expires, the related paid features are automatically disabled and the data you entered is retained. Flagship service benefits such as expert review, machining time calibration and a dedicated advisor are provided by our operations team as described on the purchase page.
5. AI Tokens: parsing and cost estimation consume AI Tokens per use; when used up, they can be topped up at the published price. AI Tokens are non-transferable and cannot be redeemed for cash.
6. Refunds: activation codes, AI Tokens, professional reports and other items sold through this service are digital goods and are non-refundable once payment is successful, except where mandatory laws and regulations provide otherwise. See the Purchase Agreement on this page.
7. Invoices: invoices (fapiao) are available for purchases and top-ups; you can submit invoicing details within the personal edition.

6. Intellectual Property

1. All content of this AI agent, including but not limited to text, images, software and trademarks, is protected by intellectual property law.
2. Intellectual property rights in the drawings and technical documents you upload remain with you.
3. This AI agent undertakes to keep the drawings and technical documents you upload strictly confidential and will not disclose them to third parties without your authorization.

7. Limitation of Liability

1. Cost estimates and quotation suggestions produced by this tool are generated by algorithms and are for decision-making reference only; you alone judge and bear the commercial consequences of any quotations or contracts you make based on them.
2. For quotations you send to third parties through this tool, you (the sender) are solely responsible for the accuracy of their content and for performance; the Company provides only the technical service of generating, delivering and syncing the status of documents.
3. The Company is not liable for service interruptions or losses caused by force majeure.

8. Changes to This Agreement

The Company may amend this Agreement as needed. Amendments will be published by the Company. Your continued use of the Company’s services constitutes acceptance of the amended Agreement.

9. Governing Law and Dispute Resolution

1. The formation, performance and interpretation of this Agreement are governed by the laws of the People’s Republic of China.
2. Disputes arising from this Agreement shall be resolved through friendly negotiation; failing that, either party may file a lawsuit with the People’s Court of Xiangcheng District, Suzhou.

This Purchase Agreement (the “Agreement”) applies to all goods and services you purchase on the jiagong.ai and deepmech.cn websites and through the Company’s related channels, including but not limited to: DeepMech Basic (one-time purchase, including an activation code and the agreed number of AI Tokens), the Overseas Market Opportunity Report and Customer Partnership Risk Due Diligence Report and other professional report services. Please read this Agreement carefully before paying; by ticking the consent box and completing payment, you are deemed to have fully understood and accepted all terms of this Agreement.

1. Nature of the Goods

1. All goods sold on this website are digital goods or customized services: Basic activation codes are generated and delivered immediately after successful payment; professional reports go into customized research and production as soon as you provide the research subject information.
2. Digital goods cannot be returned or restored once delivered, and customized reports incur actual costs once production begins; under the relevant provisions of the Consumer Rights Protection Law, neither is eligible for the “7-day no-reason return”.

2. Refund Policy

1. In case of delivery problems such as duplicate charges or a successful payment without receiving the activation code or report, contact customer service (service@jiagong.ai / 4009-128-168); after verification we will resend or otherwise resolve the issue.
2. If goods cannot be delivered for reasons attributable to the Company, you are entitled to a full refund of the corresponding payment.

3. Delivery

1. Basic: after successful payment, the activation code is sent to the email address you provided; for transaction security, the purchase page does not display the activation code directly. If you do not receive the email, you can request a resend on the purchase confirmation page.
2. Professional reports: after successful payment you will receive a requirements confirmation email; research begins once you reply with the report subject information, and the report is sent as a PDF to the paying email address within the agreed number of business days.
3. Please make sure the email address you provide is valid. If delivery is delayed because of an incorrect email address, contact customer service promptly so we can verify the order and resolve it.

4. Invoices

Invoices (fapiao) are available for all paid goods on this website: for Basic, submit invoicing details within the personal edition app; for professional reports, request one by emailing customer service at service@jiagong.ai.

5. Miscellaneous

1. Matters not covered by this Agreement are governed by the User Agreement and Privacy Policy on this page and by applicable laws and regulations.
2. Disputes arising from this Agreement shall be resolved through friendly negotiation; failing that, either party may file a lawsuit with the People’s Court of Xiangcheng District, Suzhou.

1. Information We Collect

We may collect the following types of information:

1. Information you provide

• Registration information: email address, company name, contact name, mobile phone number, etc.
• Enterprise service and pre-sale forms: name, mobile phone number, email, company name, role, company size, region, business category, quotation volume and the questions you enter, used to handle enterprise service inquiries, pre-sale registration, slot confirmation and follow-up contact
• Quotation information: the company name, contact and email of the recipients (your customers) that you enter
• Drawing information: the drawing files you import or the machining parameters you enter
• Pricing parameters (Pro): the cost data you enter for your own company, such as material prices and machining rates

2. Information collected automatically

• Device information: device model, operating system version, etc.
• Log information: access time, pages visited, IP address, etc.
• Usage data: feature usage frequency, usage patterns, etc.

3. Website chat assistant information

• Browser local storage: so that you can continue a conversation in the same browser, the chat assistant stores up to the 20 most recent messages locally in your browser. Records expire automatically after 7 days, and you can delete the local copy immediately at any time using “Clear history” in the chat window.
• Server-side processing and logs: when you send a message, the current chat content and the recent messages needed to maintain context are sent to our servers. To generate replies, keep the service secure, prevent abuse and troubleshoot faults, we may log chat content, session identifiers, referring pages, and network and error information.

2. How We Use Information

The information we collect is used for the following purposes:

1. Providing and improving the service: for drawing parsing, cost estimation, quotation generation and delivery.
2. Account management: for identity verification, device binding checks and account security.
3. Customer service: for responding to your inquiries and feedback.
4. AI improvement: for analyzing usage data and improving the user experience.
5. Legal compliance: for meeting legal and regulatory requirements.

3. Drawing Security

4. Information Sharing

We do not sell your personal information. We may share your information in the following circumstances:

1. Quotation collaboration: when you use the quotation sending feature, the quotation content and the contact details in your signature block are shown to the recipients you specify; when someone sends a quotation to your account email address, that document is delivered to your inbox.
2. Service providers: we may share information with third-party service providers to deliver services such as email notifications and payment processing.
3. Legal requirements: we may be required to disclose your information under laws and regulations, government orders or judicial proceedings.

5. Information Security

We take the following measures to protect your information:

• SSL/TLS encryption for data in transit
• Encrypted storage of sensitive data
• Access control and permission management
• Regular security audits and vulnerability scans
• Information security training for staff

6. Use of Cookies

We use cookies and similar technologies to:

• Remember your sign-in status
• Understand how you use our services
• Improve the user experience

You can refuse cookies through your browser settings, but this may affect the use of some features.

7. Retention and Deletion

Lead forms, server-side chat content, service logs and similar information are, as a rule, retained only for the shortest period necessary to fulfil the purpose of processing. Once that purpose has been fulfilled, the account or related service is terminated, or you lawfully request deletion and no basis for continued retention exists, we will delete or anonymize the relevant information.

The actual retention period depends on specific needs such as inquiry follow-up, service security, auditing and dispute handling; we do not commit to a single fixed server-side retention period. Where laws and regulations provide otherwise, where regulatory or judicial authorities require retention, or where retention is necessary to establish, exercise or defend legal rights, we may continue to retain the information for as long as those conditions apply.

8. Your Rights

You have the following rights regarding your personal information:

1. Right of access: you may view the personal information we hold about you.
2. Right to rectification: if the information is inaccurate, you may request that it be corrected.
3. Right to deletion: to the extent permitted by law, you may request deletion of your personal information.
4. Withdrawal of consent: you may withdraw consent you have previously given.

To exercise these rights, contact our customer service: service@jiagong.ai

9. Protection of Minors

This AI agent service is intended for business users and is not directed at minors. If you are a minor, please use this AI agent under the guidance of a guardian.

10. Updates to This Privacy Policy

We may update this Privacy Policy from time to time. The updated policy will be published on the Company’s website with its effective date. For material changes, we will notify you in a prominent manner.

1. Confidentiality Obligations

The Company undertakes to keep the following information provided by users confidential:

1. Technical information such as drawings, technical documents and process parameters uploaded by the user
2. Business information such as the user’s product designs, production plans and business strategies
3. Other information the user explicitly marks as confidential

2. Confidentiality Measures

3. Restrictions on Disclosure

Without the user’s written consent, the Company shall not disclose the user’s confidential information to any third party, except in the following cases:

1. Disclosure required by laws and regulations
2. Disclosure lawfully required by government authorities
3. Quotation content the user chooses to show to designated recipients through the quotation sending feature

4. Boundaries in Quotation Collaboration

When using the quotation sending and online collaboration features:

1. The content shown to recipients is limited to customer-facing quotation fields (parts, quantity, unit price, subtotal, total, lead time, etc.) and does not include your internal cost and profit data
2. A recipient’s confirmation, rejection and remarks on a quotation are returned only to the sender
3. Original drawing files are not sent with the quotation and are not visible to recipients

5. Term of Confidentiality

Confidentiality obligations take effect on the date the confidential information is obtained and continue until one of the following occurs:

1. The user agrees in writing to release the confidentiality obligation
2. The information has become public (other than through disclosure by the receiving party)
3. 3 years after the account is deleted and the data is purged as promised

6. Liability for Breach

If the Company’s breach of its confidentiality obligations causes loss to the user, the user is entitled to demand:

1. Immediate cessation of the infringing conduct
2. Compensation for the direct economic loss caused
3. Payment of reasonable costs incurred in enforcing their rights

1. About AI Quotations

1. The AI quotation system uses artificial intelligence algorithms to generate estimated prices from drawing parameters and historical data.
2. AI quotations are for reference only and do not constitute a formal quotation or contractual offer.
3. Actual prices may differ from AI quotations due to factors such as material price fluctuations, machining complexity and quantity changes.
4. The final transaction price is the order price confirmed by both parties.

2. Role of the Tool

DeepMech is cost estimation and quoting software that mainly provides:

• AI drawing parsing and cost estimates for reference
• Technical services for generating, sending and collaborating online on quotations
• Display of public market information such as material prices

The Company does not take part in transactions between users and their customers, does not engage in machining production, and does not guarantee transactions between users.

3. Responsibility for Transactions Between Users

1. The commercial terms of quotations sent or received through this tool are negotiated and confirmed by the transacting parties themselves.
2. The online confirmation feature is only a technical means of communicating intent; whether a contractual relationship is formed is for the parties to determine in accordance with the law.
3. Disputes between users arising from transactions are resolved by the parties themselves; the Company may assist by providing the necessary document records.

4. Force Majeure

The Company is not liable for service interruptions or losses caused by the following force majeure events:

• Natural disasters (earthquakes, floods, typhoons, etc.)
• Social events (war, strikes, government actions, etc.)
• Technical failures (power outages, network failures, hacker attacks, etc.)
• Changes in laws and regulations

5. Third-Party Links

The Company’s services may contain links to third-party websites. The Company is not responsible for the content, privacy policies or practices of third-party websites.

6. Changes to the Service

The Company reserves the right to:

1. Modify, suspend or terminate some or all services at any time
2. Upgrade or adjust service features
3. Restrict or ban users who violate the rules

7. Limitation of Liability

To the maximum extent permitted by law, the Company is not liable for any indirect, incidental or punitive damages. The Company’s total liability shall not exceed the total fees actually paid by the user for the relevant services.