
Cooperation Process: An Eight-Step Closed Loop
The cooperation process for complete electrical assembly projects follows an eight-step closed-loop model: requirements communication → technical proposal → quotation and negotiation → contract signing → drawing confirmation → manufacturing → factory inspection → shipment and after-sales service.
Industry experts note that the process operates on a project basis: requirements communication (equipment list/parameters) → technical proposal (selection/configuration) → quotation (itemized pricing) → contract (terms/delivery/warranty) → drawing confirmation (joint review of system diagrams) → production (progress tracking) → factory inspection (FAT) → shipment, installation, and after-sales service.
This closed-loop process ensures project success.
The Eight-Step Process
- Step 1: Requirements Communication – Confirmation of equipment lists, parameters, operating environment, and specific needs;
- Step 2: Technical Proposal – Load calculation, cabinet configuration, and equipment selection to formulate the proposal;
- Step 3: Quotation and Negotiation – Itemized quotation (components, cabinets, accessories) and price negotiation;
- Step 4: Contract Signing – Signing of terms (delivery, warranty, payment, liability for breach);
- Step 5: Drawing Confirmation – Joint review and confirmation of primary system diagrams and secondary schematic diagrams;
- Step 6: Manufacturing – Production based on drawings and progress tracking (inspection at key milestones);
- Step 7: Factory Inspection – Factory Acceptance Test (FAT) (test reports, certificate of conformity);
- Step 8: Shipment and After-sales – Shipment (logistics/packaging), guidance on installation and commissioning, and warranty services.
Key Points
First, prioritize requirements confirmation.
Obtain written confirmation of requirements (lists/parameters) to prevent disputes arising from changes later.
Second, ensure joint review of drawings.
Production begins only after drawing confirmation (including joint sign-off on system schematics) to prevent rework.
Third, milestone inspections: key production stages (components, assembly, testing) undergo inspection to ensure quality control.
Fourth, contractual clause locking: delivery schedules, warranty terms, and payment conditions are finalized to avoid disputes.
Pitfalls to Avoid
First, “verbal requirements”: relying on verbal requests leads to disputes over changes;
always obtain written confirmation.
Second, “lack of joint sign-off on drawings”: proceeding to production without confirmed drawings results in rework.
Third, “absence of milestone inspections”: production quality becomes uncontrollable;
implement milestone inspections.
Trends and Reminders
Collaboration processes are moving toward “digitalization”: project management systems (tracking schedules and documents online) and digital work orders enhance collaborative efficiency.
For purchasers, the recommendation is to ensure “written requirements, joint sign-off on drawings, and milestone inspections.”
Standardized processes lead to a worry-free project experience.