We are seeking premium Natural Arabica Ethiopian green coffee beans for bulk procurement. Our requirement focuses on authentic Ethiopian origin with clearly defined regional characteristics and quality grades.  
 
The target price range is $7-$8.5 per kilogram based on quality specifications. Initial order quantity will be determined after sample evaluation, with capacity to handle up to 20 container shipments.  
 
Samples must represent actual commercial shipment quality with complete documentation of growing region and processing methods. Successful sample verification will lead to LC-based transactions, requiring guaranteed delivery within two months after LC opening.  
 
Please provide detailed quality parameters including screen size, moisture content, and defect percentage along with regional classification information.