Nex GenPower's Production Workflow and Flowchart

I. General Principles for Production and Manufacturing Activities

Nexgenpower's manufacturing operations are guided by the core objectives of "compliant mass production, quality control, and efficient delivery," focusing on the mass production of GaN (gallium nitride) power adapters across multiple power ratings (30W/45W/65W/100W/140W). These efforts bridge the gap between final R&D prototypes and market-ready products, covering the entire supply chain from raw material procurement to finished product shipment. The company strictly adheres to global safety standards and its internal quality control systems to ensure consistency between mass-produced units and R&D prototypes, achieving a stable yield rate of ≥98% to meet large-scale market demands.

Core Principles: Using R&D validation as the benchmark, quality control as the core focus, and efficiency enhancement as the guiding principle, we achieve "standardized production, full-process traceability, and low cost with high output." This highlights Nanjin Power's technological advantages in GaN technology and ensures the products' key characteristics of high efficiency, safety, and compact size.

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II. Complete Production and Manufacturing Workflow (8 Core Stages, Including Key Tasks and Deliverables)

Phase 1: Pre-production Preparation (Mass Production Launch Phase | 0.5 months)

Core Objective: Complete all preparatory tasks prior to production, ensuring that all required materials, equipment, personnel, and processes are fully ready, and seamlessly integrate with the finalized results from the R&D phase.

• Core Tasks: Receive mass-production BOM lists, mold files, tooling and fixture design drawings, and product specifications delivered by the R&D team; procure and stockpile key components (e.g., GaN chips, transformers, capacitors); commission production equipment (including surface mount machines, soldering machines, inspection devices); provide training for production personnel on process operations, quality standards, and safety protocols; develop production plans covering batch sizes, timelines, and delivery milestones.

• Deliverables: Production plan, equipment commissioning report, personnel training records, material receipt and acceptance forms, and production process cards.

Phase 2: Raw Material Inspection and Storage (Pre-control Phase | Concurrent Production Preparation)

Core objective: To ensure strict control over raw material quality, prevent non-compliant materials from entering the production process, and guarantee compliance and stability at the production source.

• Core Task: Compare the mass-production BOM list with safety standards to conduct comprehensive inspections of all incoming materials (including GaN chips, PCB boards, plastic enclosures, pins, capacitors, etc.) covering appearance, specifications, electrical performance, and compliance with safety certifications; non-conforming materials shall be returned to suppliers, while qualified materials shall be classified, stored, and labeled; establish a material traceability system that records batch numbers and supplier information.

• Deliverables: Raw material inspection reports, records of non-conforming material handling, material inventory logs, and material traceability tables.

Phase 3: Preprocessing of Core Components and PCB Assembly (Main Production Phase | 1–2 days per batch)

Key objectives: Complete PCB assembly, ensuring proper component soldering and precise layout alignment that meets R&D design requirements.

• Core tasks: Perform anti-static pretreatment on sensitive components such as GaN chips and MOSFETs; assemble components using a surface mount machine and perform automated soldering with a soldering machine; assist in manually soldering T-shaped components; conduct initial PCB inspection (solder quality, component polarity, layout deviations), and rectify soldering defects.

• Deliverables: Completed PCB assemblies, soldering inspection records, and defect rectification reports.

Stage 4: Shell Injection Molding and Structural Assembly (Forming Stage | 1 day per batch)

Key objective: Complete the molding of the power adapter housing and assembly of its internal structure, ensuring compliance with specified appearance, dimensions, and assembly accuracy requirements.

• Core Task: Perform mass production of plastic enclosures using an injection molding machine (adhering to Nanjin's exclusive ID design), inspecting the enclosure's appearance and dimensions; assemble PCB components, folded pins, and heat dissipation assemblies into the enclosure, securing them with snap-fit fasteners and screws; verify assembly accuracy (pin looseness, enclosure fit, proper installation of heat dissipation components).

• Deliverables: finished structural assembly components, shell injection molding inspection records, and assembly inspection reports.

Phase 5: Firmware burning and initial functional testing (Performance verification phase | Synchronization structure assembly)

Key objectives: Complete firmware flashing, preliminarily verify core product functions, and identify fundamental performance defects.

• Core tasks: Perform firmware flashing on assembled products using specialized equipment (including fast charging protocols, smart temperature control, protection logic, etc.); conduct preliminary functional testing (output voltage/current, fast charging protocol compatibility, proper functioning of indicator lights); identify non-compliant products and return them for rectification.

• Deliverables: Firmware burn-in records, initial functional testing report, and product improvement records for your product.

Phase 6: Comprehensive Aging and Reliability Testing (Core Quality Control Phase | 1 day per batch)

Core Objective: Through rigorous aging and testing, ensure the product maintains long-term operational stability, meets safety performance requirements, and complies with Nanjin's quality standards.

• Core Task: Place functionally qualified products into an aging chamber for a full 4-hour aging test (simulating long-term usage conditions); conduct comprehensive reliability testing post-aging (including electrical performance, thermal performance, EMC electromagnetic compatibility, safety protection, and lifespan testing); with particular focus on evaluating the operational stability, heat dissipation performance, and overvoltage/overcurrent protection capabilities of GaN devices.

• Deliverables: Aging test report, comprehensive reliability test report, and list of qualified products. Phase 7: Appearance Quality Inspection and Packaging (Final Product Standardization Phase | 0.5 days per batch). Key objectives: Complete appearance inspection and standardized packaging of finished products to ensure intact appearance, clear labeling, and compliant packaging specifications.

• Core tasks: Inspect the finished product appearance (no scratches on the casing, clear screen printing, no deformation of pins); apply labels (brand logo, specifications, safety compliance markings, batch number); package according to standards (separate packaging box, instruction manual, warranty card, power cord); conduct secondary sampling inspection after packaging to ensure complete and intact packaging with no omissions.

• Deliverables: Appearance quality inspection report, finished product packaging list, and sampling inspection records.

Stage 8: Product Storage and Delivery (Final Delivery Period | On Demand)

Core Objective: Manage finished product warehousing, deliver items precisely according to order requirements, and ensure timely and traceable delivery.

• Core tasks: Classify qualified finished products for storage and maintain a detailed inventory record (including batch number, quantity, and production date); verify product specifications and quantities according to order requirements; arrange logistics shipment while simultaneously providing product inspection reports and certificates of conformity; maintain comprehensive delivery records to ensure full-process traceability.

• Deliverables: finished product inventory ledger, delivery order, logistics shipment records, product certification, and inspection report.

III. Production Manufacturing Workflow Diagram (Clear, intuitive, and practical for implementation)

Flowchart Description: Primarily designed for linear production processes, it identifies core tasks and their interrelationships at each stage while clearly defining quality control points. This document can be directly applied to production workshop management, personnel training, and process implementation.

IV. Core Requirements and Precautions for Production Manufacturing

• All production processes must strictly adhere to the finalized specifications and process cards established during the R&D phase; any unauthorized modification of process parameters is strictly prohibited to ensure consistency between the final product and the prototype.

• Sensitive components such as GaN chips require proper anti-static treatment; production workshops must maintain constant temperature and humidity to prevent component damage that could affect product performance.

• Implement a comprehensive quality sampling mechanism throughout the entire process, with a sampling rate of no less than 10% at critical stages including raw materials, PCB assembly, structural assembly, and finished products; non-compliant products are strictly prohibited from proceeding to subsequent stages.

• Establish a comprehensive traceability system that records material batches, production batches, test data, and delivery information throughout the entire process, facilitating subsequent quality tracking and issue identification.

• Production equipment requires regular maintenance and calibration to ensure stable operation, thereby enhancing production efficiency and product yield; all production personnel must hold valid certifications and undergo periodic skills and safety training.

• Strictly comply with global safety standards; implement proper environmental management practices (for waste materials and wastewater) during production to ensure compliance and alignment with green manufacturing principles.

V. Supporting Implementation Documents

1. Create a production Gantt chart (editable in Excel): specify production timelines, responsible parties, capacity targets, and delivery milestones for each batch; it can be directly copied and pasted for implementation.

2. Inspection standards and record forms for each stage: including raw material inspection forms, welding inspection forms, test report templates, etc., which can be directly applied to production quality control;

3. Production Process Operating Procedures: Provide detailed specifications for operational workflows at each stage, equipment usage methods, and safety precautions, tailored for workshop personnel training and daily operations.