new "B-series" standard-controller at BMS-Battery?

[stancecoke]

BMS-Battery seems to have new "standard" controllers. Does anybody know anything about them? Are that still the well known Kunteng products with a new label? There are "new" BMS-Displays for that "B-series" controllers, too.
https://bmsbattery.com/156-controller

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stancecoke

 

[casainho]

BMS-Battery seems to have new "standard" controllers. Does anybody know anything about them?

Why would they change? I would guess for a even cheaper product, to increase or maintain their profits.