China Surface quality clas GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days .


	GB/T 28300-2012 Surface quality classes for hot-rolled bars and rods technical delivery conditions 热轧棒材和盘条表面质量等级交货技术条件 - 中英文版

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