Warranty Certificate

Dear Customer,

Thank you for choosing GREEF ENERGY new energy unit series products. Our company is committed to providing excellent service and support throughout our cooperation. We will serve you wholeheartedly before, during and after your purchase. To ensure your full satisfaction, we provide the following comprehensive warranty and service policies:

I. Warranty Period

• GDF GDG Series Permanent Magnet Generator: 3-year warranty

• AH GH Series Wind Turbine: 2-year warranty

• PCTC GBBC AHCC, ACPCS Series Controller and Converter: 2-year warranty

• Lithium Battery: 5-year warranty

1. The warranty period shall commence from the shipment date stated on the bill of lading or waybill.

2. Within the warranty period: The Seller provides free parts replacement, and the cost of new replacement parts shall be borne by the Seller with no charge to the customer. Any damage occurring after the warranty period will be charged for labor and material fees by the Seller.

The Buyer shall establish a professional after-sales service team in its local country. All labor fees, travel expenses, transportation fees and other after-sales costs arising from daily after-sales services including parts replacement, maintenance and installation in the destination country shall be fully borne by the Buyer.

3. Within the warranty period, the freight of maintenance caused by the Seller's quality problems shall be borne by the Seller. If the fault is out of warranty scope or not caused by quality problems, all freight and related expenses shall be borne by the Buyer. The Buyer shall pay all applicable taxes in its country or region at all times.

II. Warranty Exclusions

The Seller provides certified products for all customers. To ensure fair treatment for both the Seller and the Buyer, the Seller shall not provide free warranty for faults or damages caused by the following reasons:

• 1. The product has exceeded the specified warranty period.

• 2. Losses caused by force majeure events such as natural disasters and accidents.

• 3. Faults caused by improper transportation, handling, dropping or collision by the Buyer or users.

• 4. Damage caused by unauthorized modification, disassembly or improper use of the product.

• 5. Faults caused by improper operation or testing with other unapproved equipment.

• 6. Unauthorized attempt to repair or open the equipment without guidance from the Seller's technical personnel.

III. Maintenance Procedures

1. If the Buyer encounters any problems when using our products, please follow the steps below: Please contact the Seller's service department or sales representative. Please provide a detailed description of the problem together with photos and/or videos for reference.

2. The Seller's engineers will diagnose the problem and provide troubleshooting guidance. Most minor problems can be resolved remotely under the guidance of the Seller's engineers.

3. If parts replacement is required, the Seller will arrange corresponding shipment. For quality problems within the warranty period, the Seller shall bear the cost of parts and freight.

4. In case of major faults caused by the Seller's products, the Seller may dispatch technical engineers to the destination country to provide on-site technical support when necessary.

IV. Service Fee Policy

To protect the Buyer's rights and interests and ensure service transparency, the Seller hereby specifies the relevant charging standards in detail:

1. Service Fees Within Warranty Period

• Fully free of charge: replacement part fee and round-trip freight (from China to the Buyer's country).

• Applicable condition: Only applicable to faults caused by inherent product quality problems.

2. Charging Standards for Non-Warranty Services

Fees will be charged at standard rates under the following circumstances:

• Expired warranty period

• Damage caused by improper operation or accidents

• Unauthorized self-repair attempts without the Seller's approval

• Force majeure events (e.g. natural disasters)

Cost Structure Formula

Total Cost = Technical Service Labor Fee + Replacement Parts Fee + Round-trip Freight

Cost Details

• Technical Service Labor Fee: Charged according to actual working hours required for maintenance (8 working hours per day). Two engineers must be dispatched simultaneously to provide services in the Buyer's country for each on-site service.

• Parts Fee: Quoted according to actually used replacement parts (detailed list will be provided).

• Freight: Actual incurred international express fees (shipping documents will be provided).

Tariffs and Taxes

• Import Duties & Taxes: All import duties and taxes in the destination country shall be borne by the Buyer.

• Warehousing Fees: Warehousing fees caused by the Consignee's delayed pickup shall be borne by the Consignee.

• Customs Fees: Any extra fees from customs inspections or administrative requirements shall be borne by the Consignee.

• Clearance Cooperation: The Consignee must provide required documents for clearance promptly; otherwise, any extra fees incurred shall be borne by the Consignee.

3. Service Process and Payment Method

• Provide detailed cost breakdown for customer confirmation before maintenance starts.

• Accept international payment methods including wire transfer and T/T.

• Issue official tax invoices (Chinese and English versions available).

• A complete inspection report and replacement parts list will be provided after maintenance completion.

• The replaced parts enjoy a 6-month quality warranty period.

 

Please contact our sales and customer service department for more details.

 

Thank you for your trust in GREEF ENERGY. We are committed to ensuring that you obtain high-quality products and reliable support throughout the entire product life cycle.

 

QINGDAO GREEF NEW ENERGY EQUIPMENT CO.,LTD

E-MAIL:  service@greefenergy.com

Tel:+86-532-67731422-802