When the cryogenic refrigerator works on this optimum cone Angle, the performance can be improved that means the decreasing of the lowest cooling temperature and the increasing of the cooling power.

We are specializes in designing and manufacturing ventilation equipment, the main product are many size box fan, cone fan, cooling pad and the spare parts.

The substantial 200mm pulp cone woofer is used with two 25mm soft dome tweeters which feature Ferrofluid cooling and electronic overload protection for extra reliability.