| 1 | Standards and regulatory compliance | 18% | Check that the proposed AC or DC equipment is designed for the intended market. For China, relevant standards can include GB/T 20234.1, GB/T 20234.2 or GB/T 20234.3, and GB/T 27930, depending on the equipment and application. IEC 61851 and IEC 62196 may be relevant to international projects. | Applicable-standard list, product specifications, test reports, and any market-specific approvals or conformity documents. Verify scope, model numbers, and report validity. |
| 2 | Electrical and functional safety | 15% | Assess protective functions appropriate to the design, such as overcurrent, overvoltage, temperature, insulation, and emergency-stop protections. Check connector and cable ratings against the stated operating conditions. | Risk assessment, protection-function descriptions, electrical safety test results, wiring diagrams, and fault-response test records. |
| 3 | Product range and technical fit | 12% | Compare AC and DC options, rated voltage and current, output power, number of connectors, cable configuration, and environmental operating limits with the project requirements. Available ratings vary by model. | Model-specific datasheets, dimensional drawings, electrical diagrams, operating-temperature range, and a written configuration proposal. |
| 4 | Manufacturing capacity and delivery planning | 10% | Determine whether production capacity, component availability, and lead times can support the order size and delivery schedule. Capacity should be assessed for the specific configuration, not assumed from general product claims. | Production plan, capacity statement, sample schedule, lead-time breakdown, and documented procedures for handling delays or shortages. |
| 5 | Quality management and product testing | 10% | Review production controls, incoming inspection, final testing, traceability, and corrective-action processes. ISO 9001 certification can indicate a quality-management system, but does not by itself establish product performance. | Valid management-system certificate, inspection plans, sample factory test records, serial-number traceability process, and nonconformity handling procedure. |
| 6 | Software and system interoperability | 10% | Confirm communication interfaces and compatibility with the buyer’s backend, payment, monitoring, and site-management systems. If OCPP is required, agree on the supported version, functions, and integration tests; protocol support alone does not guarantee interoperability. | Interface specifications, protocol and version details, API documentation where applicable, integration test results, and remote-update and cybersecurity procedures. |
| 7 | Customization and project engineering | 7% | Evaluate the ability to adapt enclosure, cable length, connectors, user interface, language, networking, and installation details without compromising safety or agreed specifications. | Configuration matrix, engineering-change process, approval drawings, prototype plan, and written confirmation of project-specific requirements. |
| 8 | Warranty and after-sales support | 7% | Compare warranty coverage, exclusions, replacement-part availability, troubleshooting channels, and the support process in the destination market. Response and repair times should be agreed contractually. | Warranty terms, service escalation process, spare-parts list, training plan, and proposed service-level commitments. |
| 9 | Supply-chain and export readiness | 6% | Review component sourcing, production traceability, packaging, shipping arrangements, and the supplier’s ability to provide documentation required for the destination market and import process. | Bill of materials at an appropriate disclosure level, packaging specifications, sample shipping documents, and export-documentation checklist. |
| 10 | Total cost and commercial terms | 5% | Compare total project cost rather than unit price alone, including options, software or service fees, installation requirements, spare parts, shipping, payment terms, and warranty-related costs. | Itemized quotation, Incoterms, payment schedule, stated exclusions, price-validity period, and lifecycle-cost assumptions. |