建筑五金。腐蚀抗性。要求和试验方法。
Building hardware. Corrosion resistance. Requirements and test methods.
求购建筑五金。
本公司主要经营建筑安全类，护栏，围栏建筑五金类等。
The main products of our company focuses on safety guards, crawl and so on.
做五金建筑材料的华林市场。
建筑物五金。门窗螺栓。要求和试验方法。
Building hardware - Door and window bolts - Requirements and test methods.
建筑物五金。门窗螺栓。要求和试验方法。
Building hardware - Door and window bolts - Requirements and test methods.
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