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See Chinese contents: Q/BQB 400-2018 Q/BQB 400-2018: Package, mark and inspection document for cold-roll product
This Standard specifies the requirements for package, mark, and inspection document for cold-rolled steel sheets and strips, coated steel sheets and strips, and cold-rolled electrical steel strips (coils). Considering the using habit of manufacturers and cold-rolled product users, steel strips are hereinafter known as steel coils.
