I have twice. Shipping seems high but the total to-you-door prices are competitive vs Amazon. I like have one point of contact sale vs the layers of Amazon, eBay, ali, etc. My last order was available in the US warehouse and I had it in about a week. My other order I had a partial shipment from the US and the balance from China via SF Express. The China shipment took about two weeks. They emailed me with order updates, tracking info etc.

I would/will use them again.
 
I have twice. Shipping seems high but the total to-you-door prices are competitive vs Amazon. I like have one point of contact sale vs the layers of Amazon, eBay, ali, etc. My last order was available in the US warehouse and I had it in about a week. My other order I had a partial shipment from the US and the balance from China via SF Express. The China shipment took about two weeks. They emailed me with order updates, tracking info etc.

I would/will use them again.
I have a Acecare 6.8-liter CF but i went through Acecare and had to pay a customs fee, the bottle itself seems of good quality, and I have had it 3 years so another 2 years when I have it tested then at that time I will really know about its quality and hopefully not before LOL.