Here is Shanghai Glary.
Glary offers round cold forging heat sink with 163mm, the outside diameter is 163mm, the total height is 70mm, the base thickness is 10mm, and the using power is 70W, the material is pure aluminum 1070.
Glary offers cold forging heat sink from 50mm to 220mm.
Glary offers forged cooler with round pin fin as below,
50mm, 52mm, 56mm, 60mm, 62mm, 70mm, 72mm, 80mm, 82mm, 87mm, 92mm, 102mm, 105mm, 110mm, 112mm, 115mm, 118mm, 120mm, 130mm, 133mm, 140mm, 145mm, 150mm, 160mm, 163mm.
Glary offers forged cooler with blade fin as following,
210mm, 182mm, 153mm, 150mm, 133mm, 130mm, 120mm, 118mm, 115mm, 113mm, 112mm, 110mm, 108mm, 100mm, 93mm, 92mm, 86mm, 73mm, 72mm, 53mm, 52mm.
Please kindly contact sophia@glarysh.com, just let us know which dimension is your wanted, your application, the power using and so on, GLARY can provide the thermal solution for you.
Here is our website: www.glarysh.com .
Tel: +86 21 3653 8100