采用进口精密机床，先进的成型磨削和电脑分度工艺，保证楞型尺寸精度符合国家标准。
Corrugated roller ground with advanced molding and computer indexing technology and guarantee the size of corrugation conform to national standard.
采用进口精密机床，先进的成型磨削和电脑分度工艺，保证楞型尺寸精度符合国家标准。
Corrugated roller ground with advanced molding and computer indexing technology and guarantee the size of corrugation conform to national standard.
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