Legal
Privacy Notice
How PSF handles website inquiry and usage information.
Information collected
When you contact PSF, we collect only the name, company, contact details and message required to respond.
Purpose
Information is used for routing inquiries, responding, evaluating potential cooperation and meeting legal requirements. It is not sold to third parties.
Retention and rights
Retention follows business and legal needs. You may contact PSF to request access, correction or deletion.
Analytics and cookies
This website uses Baidu Tongji (provided by Baidu) to measure traffic. It sets cookies or reads a local browser identifier and records general information such as the pages you visit, the referring source, and your device and browser type; that data is processed on Baidu servers located in mainland China. It is used in aggregate to understand how the website is used and to improve its content — not to identify you personally and not for advertising. You can refuse or delete cookies in your browser settings; doing so does not affect your access to the general content of this website. This website also uses Microsoft Clarity (provided by Microsoft) to understand how visitors use it. Through cookies, it records interactions such as clicks, scrolling and mouse movement to produce heatmaps and session replays, together with general information such as the page, referring source, and device and browser type; that data is processed by Microsoft. It is used only to improve the layout and usability of the website — not to identify you personally and not for advertising.