ON-GRID Controller:  

 On-Grid Controller

1. Greef controller use Carton or Plywooden case.

2. Pakage size and weight, please contact our sales.

3. Shipping by sea with FCL LCL or by air or by Express(DHL/FedEx/TNT/UPS etc.).

If you have any request in package and shipping please tell our sales we will do according to your request.

The controller is 1 year warranty for free, All lifelong  technical support and part cost supply.

(1) The warranty period is start from the date of shipment which show on the bill of loading or air waybill.
(2) Free maintenance services during the warranty period the cost involved be borne by the company, do not charge a fee to customers, free warranty if any damage outside the warranty period, the company will charge a fee for labor costs and materials.
(3) the warranty period, company's quality problems caused by the maintenance of the freight borne by the company, if not under warranty or man-made damage, the freight charges by the customer.

GREEF can also provide :

^{On grid inverter} 

^{Off grid wind controller} 

^{Off grid wind solar hybrid controller}

^{Off grid solar controller} 

^{Off grid inverter}

Any new inquiries ,please fell free to contact us.