With a rigorous testing and points system Son Tinh Original Ruou’s Nep Phu Loc received a highly-rated 86/100 score, taking Silver.  
Here are reviews about Son Tinh Original Ruou found on Tastings.com:
“Son Tinh puts on a luxurious, unique, hidden passionate, impressive and international quality. Son Tinh Premium Liquor perfectly fits the level of our hotel”  
Mr. David Vanhove – Assistant General Manager – Mövenpick Hotel Hanoi  
“No Vietnamese liquor can be found as reliable as Son Tinh Liquor. We want to try something truly Vietnamese here, a miniature Paris in the heart of Hanoi.”  
Ms. Anne-Sophie Hurtaud – F&B Coordinator – Sofitel Legend Metropole Hanoi  
http://www.tastings.com/scout_spirits.lasso?id=203139  
A reviewer concluded:  
“Clear wine colour. Natural light fragrance of green pear and rice candy.. The soft and delicate finish on the palate, followed by the sweet, slightly dry sensation of balsa wood and sugar, ends with a surprisingly warm and spicy warmth of tapioca. A little stronger than Shochu.
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