SPECIFICATION FOR APPROVAL Customer. DC FAN Description. Part No. REV. AFB0412VHA-DU48 Delta Model No. REV. 00 Sample Issue No. Sample Issue Date. JUL-25-2013 PLEASE SEND ONE COPY OF THIS SPECIFICATION BACK AFTER YOU SIGNED APPROVAL FOR PRODUC- TION PRE-ARRANGEMENT. APPROVED BY : DATE: Delta Electronics, Inc. HeTianXia High-Tech Industrial Park. Shi Jie Town, Dong Guan City. Guangdong Province, China. P. R. C. TEL : 86-769-86329008 FAX : 86-769-86631589