Updated and effective: October 27, 2026
01 / Operator and scope
This website is operated by Anhui Heduoduo Network Technology Co., Ltd. This policy covers the corporate website only. For independent products linked here, including vbuild.cn, please refer to the privacy policy and service terms of the relevant product.
02 / Information we handle
This website has no account registration, online forms, payments, advertising tracking or third-party analytics SDKs, and does not ask you to provide personal information. Hosting or network services may process necessary technical information, such as IP address, request time, requested path, browser information and response status, to deliver pages, maintain security and diagnose issues. If you email us, we process your email address, message and any attachments you voluntarily provide to respond to your request.
03 / Purposes and basis
We process information only as necessary to provide website access, maintain security, respond to enquiries and meet applicable legal obligations. Where processing requires consent, we will obtain it as required by applicable law. Please do not include personal information unrelated to your enquiry in contact emails.
04 / Cookies and browser storage
Our website code does not set cookies or use localStorage or advertising identifiers. Language switching uses separate Chinese and English page links, without creating user profiles. External products have their own cookie and storage practices.
05 / Providers and protection
Hosting, network and email service providers may process information as necessary to provide their services. We do not sell personal information or use contact emails for unrelated marketing. We take reasonable measures to protect information and retain it only as needed to handle requests, maintain security and meet applicable legal obligations, then delete or anonymize it unless retention is otherwise required by law.
06 / Your rights and contact
You may contact service@heduoduo.shop to request access, correction, deletion or exercise other applicable rights. Provide only information needed to explain your request. After verifying your identity, we will handle and respond to requests under applicable law. For a request about an independent product, please identify the product so we can locate the relevant processing activity.
07 / Policy updates
If website features or information practices change, we will update this policy and its effective date. Any future forms, analytics or other information processing will be described accordingly, with consent obtained in advance where required by law.
service@heduoduo.shop
Anhui Heduoduo Network Technology Co., Ltd.
No. 312, Shipai Avenue, Huaining County Industrial Park, Anqing City, Anhui Province, China