Current website status
The current local static version does not rely on advertising cookies and is not configured with user profiling or cross-site ad tracking. If you access analytics, customer service or consent management tools after the website goes online, this page will be updated according to the actual configuration.
Necessary storage
Hosting, security or basic page functionality may use necessary cookies, local storage or technical logs to complete page visits, language preferences, security protection and error diagnosis. Such features usually cannot be turned off completely via a website switch.
Analytics and Marketing Cookies
If access analytics or marketing tools are used in the future, Tongcheng will provide instructions and consent options as required in applicable regions. Non-essential analytics or advertising cookies should not be enabled without obtaining the required consent.
WhatsApp and external links
After clicking WhatsApp or other external links, you will enter third-party services; third parties may set cookies or collect access data according to their own rules, and related behaviors are not controlled by the cookie settings of this website.
Browser management method
You can view, delete or block cookies through your browser, or use incognito mode. When you block necessary cookies or local storage, some website or third-party contact features may not work properly.
Policy Updates and Contact
The current version was updated on September 3, 2026. For questions about cookies or website privacy, you can contact Cai Jibin at phone: WhatsApp: +86 138 2764 3424; email: lantianyewu@163.com.