Steel that has a steady abrasive pattern etchech on No.4 products and solutions. It is mostly utilized for making development elements for equally interior and exterior along with for sash, doors, and panels in buildingsTh2 ?ng vi sinh dùng trong th?c ph?m – Tiêu chu?n và ?ng d?ng Ch?c n?ng bình lu?n b? t?t ? ?ng vi sinh dùng trong th?c ph?m