How Do UHPC Manufacturers Handle Product Quality Issues? Handling Process and Qinglong's Closed-Loop Management System

An UHPC manufacturer's ability to handle product quality issues reflects its sense of responsibility and management level. Qinglong Group has established a closed-loop handling process of "rapid response, root cause analysis, thorough resolution, and prevention of recurrence," committing to complete problem identification within 24 hours, propose solutions within 7 days, and finish handling within 30 days. Through 28 years of quality improvement practice, we have raised the first-pass qualification rate of quality issue handling to 99%, with customer satisfaction exceeding 98%, setting an industry benchmark for problem handling.

Problem handling begins with rapid response. Qinglong Group has set up a dedicated quality hotline, dispatching engineers to the site within 2 hours of receiving a complaint. We use advanced inspection equipment, such as infrared thermal imagers and ultrasonic flaw detectors, to accurately locate problems. In the Hainan International Convention and Exhibition Center project, we used drone aerial photography to quickly assess the condition of large-area panels, improving efficiency.

Root cause analysis is a key step. We form special task teams for quality issues, conducting in-depth analysis from five dimensions—man, machine, material, method, and environment—to identify root causes. For major quality issues, third-party experts are invited to participate in the verification to ensure objective and impartial analysis. All analysis reports are archived for reference as the basis for improvement.

Resolution measures must be thorough and effective. Qinglong Group adopts different countermeasures based on the nature of the problem: minor issues are repaired on site, serious issues involve component replacement, and systemic issues undergo comprehensive renovation. We emphasize prevention of recurrence, incorporating cases into training materials and optimizing processes. Through closed-loop management, we continuously improve quality levels and reduce the occurrence of problems.