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If you have a query or want to contact one of our staff, use the following list for the principal departments and offices.

Customer Service

Subscriptions, technical help, or purchase products and services.

Sponsorship and Market

For more information on marketing solutions from Chairin

For commercial opportunities, including websites, supplements and subscriptions, or display advertising.


If you need any support when using this system, please feel free to contact us. Please note that we can only answer questions asked in English. For the Frequently Asked Questions please check FAQ.