what types of cookies do we use?
necessary cookies facilitate the normal operation of the basic functions of our site (such as page navigation), so that you may experience the full functionality of our site. if you delete or disable these cookies, some parts of our site will not operate as they should.
these cookies record the visitors’ preferences in the use of our site (such as choice of language or surveys). this helps to improve the operating speed of our site and provide you with a service based on your customized experience.
performance cookies (or statistic cookies)
use of third party websites such as baidu.com, linkedlin.com, google.com and youtube.com.
performance cookies help us to understand how visitors interact with the site and gather the statistics of the visitors’ data by collecting information anonymously. such information includes the visitors of the site, the number of viewers, the operating systems of the visitors use to browse the site (e.g. mac or windows), the time the visitors spend on our site, and the webpages the visitors view, etc.