... small heatsink used for electric or industry. We can fabrication. Aluminum heatsink just do as provide drawing. 1 Alloy 6061,6063 ... )Advance test equipment and lab spectrometric analyzer, metallurgical analyzer, imported projector measuring instrument, Rockwell hardness meter, clamp type hardness meter, desk ... main domestic customers have Shenzhen Huawei,BYD, Zhongxing, foxconn, etc. Aluminum Heatsink