For anyone trying to order this internationally, i've contacted the seller with their chat client and got a automated message that international customers wanting to purchase p106-100 can do so using this link:
中国客户请联系微信15876526861 姚先生 魔改企鹅群可以加709573181 欢迎交流 If you are a foreign guest, you can buy P106-100 at the link below. Thank you for your support. https://shop.tbfocus.com/item.php?id=554770906053
Guess the seller got a lot of international orders after the video :)