The company's nitriding process is divided into:gas soft-nitriding, MGN and gas rigidity-nitriding.

公司的渗氮工艺分为：气体软氮化、MGN和气体硬氮化。

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MGN expresses a perfect combination of front-edge design with elite manufacturing technology of Shanghai Magni Piano Corporation. Each MGN is born with a lasting art excellence.

曼格尼钢琴最前沿的设计思想与上海曼格尼钢琴有限公司精工铸造理念完美结合，使出厂的每一件曼格尼钢琴都具有长久的艺术生命。

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MGN expresses a perfect combination of front-edge design with elite manufacturing technology of Shanghai Magni Piano Corporation. Each MGN is born with a lasting art excellence.

曼格尼钢琴最前沿的设计思想与上海曼格尼钢琴有限公司精工铸造理念完美结合，使出厂的每一件曼格尼钢琴都具有长久的艺术生命。

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