| 1 | Relevant Manufacturing Experience | At least 5 years of documented production experience in pneumatic, hydraulic, automotive, coolant, fuel, or fluid quick connectors. | Review company registration records, product history, dated technical catalogues, and references from comparable applications. | 10% | __/10 |
| 2 | Product and Material Capability | Capability to produce common connector materials such as brass, stainless steel, aluminum, engineering plastics, NBR, EPDM, FKM, or silicone according to application requirements. | Check material certificates, grades, seal compatibility data, surface-treatment specifications, and sample inspection reports. | 10% | __/10 |
| 3 | Pressure, Temperature, and Flow Performance | Published working pressure, burst pressure, temperature range, and flow data for each connector series; ratings must match the intended medium and operating cycle. | Request test curves and reports based on applicable standards such as ISO 7241, ISO 16028, ISO 5675, or SAE J2044, depending on product use. | 15% | __/10 |
| 4 | Leakage and Durability Testing | Routine leakage testing, connection-cycle testing, vibration testing, corrosion testing, and pressure holding tests appropriate to the application. | Verify test equipment calibration, sampling plans, test duration, acceptance limits, and reports from an independent laboratory when required. | 15% | __/10 |
| 5 | Quality Management System | A valid ISO 9001 certificate with controlled procedures for incoming inspection, process control, final inspection, nonconformance handling, and corrective action. | Confirm certificate validity and scope through the issuing certification body; audit key production and inspection processes. | 10% | __/10 |
| 6 | Compliance and Chemical Documentation | Availability of declarations or test evidence for applicable requirements such as RoHS Directive 2011/65/EU, REACH Regulation (EC) No. 1907/2006, and conflict-minerals reporting. | Review current declarations, laboratory reports, material composition records, and customer-specific compliance documentation. | 10% | __/10 |
| 7 | Engineering and Customization Support | In-house design support for dimensions, sealing systems, locking mechanisms, materials, tooling, packaging, and customer-specific interfaces. | Evaluate drawings, 3D files, tolerance analysis, prototype capability, engineering response time, and design-change control. | 10% | __/10 |
| 8 | Production Capacity and Delivery Reliability | Stable raw-material supply, documented monthly capacity, controlled lead times, and clear production scheduling for repeat orders. | Request capacity statements, recent on-time-delivery records, production schedules, supplier-management procedures, and contingency plans. | 8% | __/10 |
| 9 | Traceability and Inspection Control | Traceable batch or lot identification covering raw materials, production date, operators, inspection results, and shipment records. | Review inspection plans, certificates of conformity, calibration records, sampling standards, and retained quality records. | 7% | __/10 |
| 10 | Commercial Terms and Total Cost | Competitive total cost covering tooling, samples, unit price, packaging, testing, shipping, warranty, minimum order quantity, and after-sales support. | Compare at least three written quotations using the same specification, Incoterm, quantity, payment terms, warranty period, and delivery location. | 5% | __/10 |