Dear Sir Madam, Hi, how are you? I was so glad to you at Alibaba. I'm CY, Jeong works for SolwayTech in Korea. We are manufacturer for IT device. Now, I looking for the manufacturer of Heat Sink for Network Adapter at PC. - Material: Aluminum Almite, - Size: 146 mm x 56 mm - Quantity: Estimated 1,500 1 year