We are using the traditional cold working methods, to ensure that products rich in natural and nutrition.
我们是采用传统的冷加工方法，以保证产品的天然和营养的丰富。
Another method is to cold-rolling method, it is to Mannesmann brothers invented Meng Hot rolling Mill of the methods used in cold working.
另一种方法是冷轧法，它是将孟内斯曼兄弟发明的热轧机应用于冷加工中的方法。
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