PC WINNER INTERNATIONAL INC. PC Winner is the sister companies of Topteck International Inc., who established in 1972. Over 31 years experience in producing the Computer Case and Switching Power Supply. As PC Winner International Inc., is professional OEM / ODM maker. WAREHOUSE & SUBSIDIARY IN EUROPE We have the subsidiary in Europe ,which provides technical supports,after-sale serices, and shortage urgent support for all the item in the Germany so you will be very flexible to adjust your stock in any time what you are always priority to get best service.