AOCHENG
关于碳钢无缝大小头的尺寸
较新的异径大小头制作
管帽的外形尺寸和重量
碳钢大小头用于应急变径
合金大小头管接头
异径管是大小头吗
不锈钢大小头的尺寸标准
偏心大小头变径接头
Cap molding machine
To make the cap, the steel plate is first cut into wafers, then the wafers are heated, and finally the press presses them with moulds.
After the cap is pressed and molded, it can be basically completed only after the groove and sand blasting.
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