Linlai E 6sn7 tubes


I just placed an order for a pair of these for my Aric Audio Motherlode II.  I’ve been chatting with a fellow that runs the E 6sn7 in his Don Sachs pre. He loves them, He says they make his NOS tubes sound thin and lifeless.  
    It will be a couple weeks until I receive them,and I was curious if anyone out in Agon land has tried these,and what are your impressions?   
Thanks in advance,

    Ray

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Here’s a close up of the gift box. Note the company name on the lower right corner.

Same box as mine. The question is, what box is Linlai direct and Grant Fidelity selling?

That makes sense Dan. I'm extremely frustrated as I'm listening to these unknown tubes which sound fantastic.

All 4 of my tubes, purchased within the last 2 months, have the vertical Linlai.

2 came from Grant Fidelity in plain tube boxes.

2 came from China, eBay seller kt88_6550, in a gift box. Their picture of tubes and box was overlaid with signage that said "Linlai Store".