Hipro Electronics Public Company Limited manufactures and distributes premium and reliable Switching Power Supply products for personal computers. Quality Certificates: UL 1703, ISO 9001, IEC 61215, IEC 61730, OHSAS 18001, etc. A majority of its customers are brandnames like Daewoo, Dell, IBM, etc. We provide a Free 30-Day Return Policy on all of our products unless indicated otherwise. Buyer must contact us within 30 days of receiving the product in order to return it. No return or exchange after 30 days from receiving the item. If you have any questions or concerns, please contact us first and we will make EVERY effort needed to make sure you are pleased with the purchase! We provide a 30-Day Warranty on all of our product offerings unless indicated otherwise. If you have any questio.