How to Identify the Advantages and Disadvantages of Traditional Steel by Intuitive Method

High-quality traditional steel trademarks and printing are more standardized, we usually see signs of ambiguity is likely to be inferior steel, the following Die Steel Co., Ltd. for the sum we summed up how to identify the advantages and disadvantages of ordinary steel through visual identification methods (Non-special steel). A, shoddy steel prone to folding. […]