The corrosion resistance of direct electroless nickel on die-cast aluminum case of the electronic connector is bad.

对电连接器压铸铝外壳化学镀镍新工艺流程进行了介绍。

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All aluminum alloys case, cast iron intermediate plate, so perfectly realize the lightweight, big torque and low noise of the products.

全铝壳体、铸铁中联板，实现产品轻量化、大扭矩、低噪声的完美统一。

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The bulk of the case is cast from a single piece of aluminum, and those fins, which have enough room between them for air to circulate, dissipate heat so that a noisy fan isn't required.

WSJ: A Hard Drive With Quiet Style | Geek Chic