Introduction : From Yield Rate to Low-Carbon Breakthroughs: Why High-Precision Hot Rolled Coil is the First Line of Defense in Manufacturing Efficiency   In the corner of a typical metal fabrication workshop, there is almost always a bin that tells a painful story. It is filled with twisted skeletons of steel, off-cuts that were too warped to use, and components that failed quality control due to inconsistent thickness. For the average procurement manager, this bin is often dismissed as the cost of doing business. But for the astute industry observer, this "scrap heap" represents a massive leak in profitability and a significant environmental crime.Most leadership teams focus heavily on the "purchasing unit price"—fighting for every cent per ton during negotiations with a   hot rolled steel coil supplier . However, they often overlook the "comprehensive yield rate." Under the dual pressures of ESG (Environmental, Social, and Governance) mandates and fluc...