Our main current production of various kinds of shell MP3, MP4 shell, MP4 stainless steel frame and metal mold design and manufacturing.

目前本厂主要生产各类MP 3外壳、MP 4外壳、MP4不锈钢外壳和五金模具的设计制造。

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This research mainly explores the production of steel castings with air flush molding green sand and the improvement of its character from the molding sand recipe and mold sand system control.

本研究主要探讨了用气冲造型湿型砂来生产铁路钩缓铸钢件，从型砂的配方和型砂系统的控制等几个方面来优化其性能。

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By using solidification and melted slag theory, series mold powders of low alloy steel, plain carbon steel and high carbon steel, were developed and used in production successfully.

运用凝固理论和熔渣理论，研制开发了适用于低合金钢、普碳钢、高碳钢的系列保护渣并成功地应用于连铸生产。

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