Company founded in 1965, lies in xiangshan byland ningbo, covering 6500 square meter. specialized in the design, development, production and distribution of all kinds cylinder gasket of gas engine.

公司创建于1965年，坐落在宁波市境内的象山半岛，占地面积6500平方米，是一家专业设计研制生产销售各类内燃机气缸垫片的企业。

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Staging: Process of covering bare metal, to protect lines or dots from being etched, in making of photoengraving and gravure cylinder.

防蚀处理：制电版或照相凹版时，作保护金属表面，防止网点或线条被腐蚀的工作。

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The covering cylinder can be connected on a working arm of an excavating machine.

罩筒可以连接在一挖掘机的工作臂上。

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