1. Design and produce high quality fan's PCBA 2. PCBA with AC/DC conversion, control and adjust function 3. UL 94-VO, Rohs 1. Design and produce high quality fan's PCBA2. PCBA with AC/DC conversion, control and adjust function3. the PCBA be used to control fan3. PABA comply to UL 94-V0 and Rohs request