Haiji Intop Strengthens Quality Control System, Maintaining Industry-Leading Product Qualification Rate
The company continues to refine its end-to-end quality control system from raw material intake to finished product dispatch, maintaining a first-pass qualification rate of over 99.6% in the first half of 2026, further solidifying its high-quality reputation in the automatic transmission components sector.
Jul 07,2026
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The company continues to refine its end-to-end quality control system from raw material intake to finished product dispatch, maintaining a first-pass qualification rate of over 99.6% in the first half of 2026, further solidifying its high-quality reputation in the automatic transmission components sector.
Behind this remarkable 99.6% first-pass qualification rate lies a fully traceable, intelligent quality governance mechanism covering every operational node, which is a far cry from the scattered sampling inspection protocols widely adopted across the auto component manufacturing sector. Unlike the conventional industry practice of 30% random sampling for finished product verification, Haiji Intop has rolled out 100% full-dimensional AI visual scanning and high-precision dynamic dimensional measurement for all core components, including torque converter hubs and planetary gear carriers. The system is capable of identifying micron-level surface flaws and tiny dimensional deviations that are even invisible to veteran quality inspectors, blocking potential unqualified products before they flow into the packaging process. The company has also extended its quality control boundary to upstream supply chains, co-developing custom material composition verification protocols with its core metallurgy partners, which slashed raw material defect rate by 72% year on year in the first half of 2026. Every batch of finished products will additionally go through 200+ hours of extreme working condition simulation, ranging from -40℃ low temperature impact to 150℃ high-frequency fatigue operation, to ensure full durability matching the 300,000-kilometer full lifecycle of passenger vehicles. This strict standard has earned long-term recognition from global leading automatic transmission Tier 1 suppliers, with Haiji Intop’s after-sales defect rate staying below 0.01% for 12 consecutive months, far outperforming the industry average of 0.18%. (Word count: 347)
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