1) The online courses are charged on a yearly basis and are subject to change. 2) The fee of the online courses must be paid in full at the time and you agree to provide accurate and complete registration information. 3) There is no refund once you have subscribed to our online courses. You are allowed to preview the course before making a decision. 4) An order confirmation email will be sent to you once the purchase is made. Please kindly contact us immediately at "email@example.com", if you have any questions. 5) An infringement of intellectual property rights by unauthorized reproduction of curriculum or workbook contents is intolerable and Sun-Tech reserves the legal rights of final and conclusive decision. 6) You are not allowed to pass your own account or password to third parties and cause damage to Sun-Tech's rights. 7) You acknowledge that Sun-Tech may collect, process, preserve, transmit and use the personal information registered or retained for statistical data on the member, or for conducting surveys or research on online behavior. 8) Sun-Tech will not access any confidential customer information in the form of online payment, including credit card numbers, security numbers, etc.