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Customized Product Design Service
We provide in-depth customized solutions. Based on your specific project requirements, installation scenarios, and performance needs (such as power rating, PV efficiency, weather resistance, protection level, or special specifications), we design solar PV modules, inverters, and supporting system solutions covering material selection, technical parameter matching, and structural design. Our goal is to ensure that the product perfectly integrates functionality and reliability to meet diverse application needs.
Zhejiang Mail Industry and Trade Co., Ltd.
After-Sales Repair & Maintenance Service
We have established a comprehensive after-sales response system, offering product usage consultation, fault diagnosis, genuine parts supply, and regular maintenance recommendations. No matter where you are, we are committed to ensuring the long-term stable operation of your solar power system and continuously creating value for you.
Full-Cycle Service Process

The company possesses extensive experience in R&D, production, and application, and is one of the leading players in the solar PV and clean energy industry.

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  • Order Review

    All departments of the company jointly review the order and hold a handover meeting.

  • Drawing Preparation

    The technical department breaks down the order drawings and prepares processing and assembly drawings.

  • Production Scheduling & Tracking

    The production management department formulates a production schedule based on the company's capacity and processing status.

  • In-Process Inspection

    The quality control department conducts in-process inspections and feeds back results to relevant departments.

  • First Article Inspection

    The quality control department performs first article inspection and feeds back results to relevant departments.

  • Dimension Recheck

    The engineering department compares the first article product with the on-site installation dimensions; after confirming no errors, it issues the mass production order.

  • Finished Product Inspection

    The quality control department conducts comprehensive finished product inspection and feeds back results to relevant departments.

  • Qualified Product Storage & Dispatch

    The warehouse management department handles incoming/outgoing inventory operations, counts qualified quantities, prepares documents, and circulates them to relevant departments.

  • On-Site Delivery

    The engineering department accepts the goods; after confirming no errors, it carries out on-site installation and commissioning work.
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