we’d better choose the official shop which is the most reliable

[banban007s4]

If anyone is looking for miners, there you can buy it from Canaan's only official online store, shipping within 7 days after payment, available worldwide and in remote locations. Official telegram contact @canaanofficial, more models are coming soon

[Rikafip]

Official telegram contact @canaanofficial, more models are coming soon

I don't see anywhere on their website (https://canaan.io/) them mentioning their own Telegram group and since Telegram is known by scams I would advise everyone not to try do the business that way and instead contact them via social media stated on their website.