How to Assess Process Maturity When Selecting a UHPC Manufacturer? Core Evaluation Dimensions and Qinglong's Practices

The maturity of UHPC craftsmanship directly determines product quality stability, design realization capability, and project delivery efficiency, making it a core indicator when selecting a manufacturer. Drawing on 28 years of accumulated expertise, Qinglong Group has outlined five key evaluation dimensions—"production equipment, process standards, quality control, project experience, and technological innovation." Its mature process system has been validated by thousands of projects, with a process pass rate exceeding 99.5%.

1. Production Equipment: Automation Level and Precision Assurance

Core production equipment: Must include automated batching systems (error ≤±1%), high-pressure grouting equipment (pressure ≥0.2MPa), intelligent steam curing kilns (temperature uniformity ≤±2℃), and CNC cutting equipment. Qinglong has fully automated production lines with intelligent batching, grouting, curing, and cutting throughout, ensuring process consistency. Mold processing equipment: Equipped with high-precision mold processing equipment such as CNC engraving machines and 3D laser cutting machines, with mold machining precision ≤±0.5mm. Qinglong's mold processing center can precisely replicate complex shapes and provided high-precision molds for the hyperbolic sculptures at the Shanghai Astronomy Museum. Testing equipment: Equipped with rebound hammers, compression testing machines, 3D laser scanners, and other testing devices for real-time monitoring of production processes and finished product quality. Qinglong's testing center holds CNAS accreditation, making its test data authoritative and credible.

2. Process Standards: Degree of Standardization and Refinement

Standardized operating procedures: Whether there are clear "UHPC Production Process Regulations" and "Installation Process Manual" covering the entire workflow of batching, mixing, grouting, curing, demolding, cutting, and installation. Qinglong has established over 100 process standards, with clear operating specifications for every step. Key process control: Focus on the control precision of key processes such as mixing time (3-5 minutes), grouting pressure (0.2-0.3MPa), and curing parameters (temperature 50-60℃, duration 12-16h). Qinglong precisely controls key process parameters through intelligent control systems, with errors ≤±5%. Detail finishing processes: Such as edge treatment (no chipping, smooth and even), surface treatment (acid washing, uniform coating), and joining processes (uniform gaps, tight sealing). Qinglong's sample edge treatment precision is ≤±0.3mm, with surface coating thickness deviation ≤±2μm.

3. Quality Control System: Full-Process Quality Assurance

Raw material control: Establish a raw material supplier audit mechanism with pre-delivery testing (e.g., cement strength, steel fiber length and tensile strength). Qinglong has signed long-term cooperation agreements with renowned raw material suppliers, achieving a 100% raw material pass rate. In-process quality testing: Each batch undergoes batching inspection, mixing uniformity inspection, and curing process inspection, with sampled test blocks for strength testing. Qinglong's sampling ratio per batch is ≥3%, with a 100% test block strength compliance rate. Finished product inspection: Multiple inspections of appearance, dimensions, strength, and impermeability are conducted before delivery; non-conforming products are strictly prohibited from leaving the factory. Qinglong conducts over 15 finished product inspection items, with a 100% factory pass rate. Quality traceability system: The ERP system records raw material information, production parameters, and testing data for each batch, enabling quality traceability. Every Qinglong product carries a unique traceability code for querying full-process information.

4. Project Experience and Technological Innovation: Field-Tested Process Capability

Complex project cases: Examine the manufacturer's delivery experience in complex projects such as double-curved surfaces, oversized components, and artistic shapes. Projects undertaken by Qinglong, including the Guangxi New Media Center (no two panels alike) and Shanghai New World (12㎡ wood-grain translucent panels), demonstrate mature complex process capabilities. High-end project collaboration: Whether the manufacturer has cooperated with central state-owned enterprises, renowned real estate groups (Poly, Vanke, Xinghewan, etc.), and national key projects. Qinglong has formed strategic partnerships with multiple leading enterprises and served numerous high-end projects, with its craftsmanship widely recognized. Technological innovation and patents: The number of process-related patents held and participation in industry standard formulation. Qinglong holds 58 patents and participated in formulating industry standards such as "General Technical Conditions for Ultra-High Performance Concrete (UHPC) Non-Load-Bearing Components," leading in process technology.

Evaluating the process maturity of a UHPC manufacturer requires comprehensive assessment across five dimensions—equipment, standards, quality control, experience, and innovation—rather than focusing on a single indicator. With automated equipment, standardized processes, full-process quality control, extensive field experience, and continuous technological innovation, Qinglong Group has built a mature UHPC process system, providing stable, high-quality products and services and becoming a trusted choice for high-end projects.