The Jopendi products are fake, I tried to go to the shop mentioned in their website and there is no one. There is another shop in the name of IPanel Singapore with the same address
https://sg.ipanelonline.com/Please help to report this issue to the higher authorities.I spend money to buy the product and i did not receive any thing.
but you paid with pay pal and then return your money . I contact with Darren Khoo to know about antminer r4 and they have in stock this machine is not on production because in the company bitmain doesn have more and they said we have in stock . I don't understand why they have in stock