Here is an interesting OEM efoil presented at the Düsseldorf Boot under the French brand Tiki Factory…
Seems the R&D is done in Barcelona (Spain) under the Surffic brand, manufactured in China and sold worldwide by Cimi sports (trading company) on Alibaba as an OEM product (see below) ! Surffic offers a more advanced product compared to the other Chinese OEM called HISUN (rebranded Waviator, Dolsey, Epic AUS, Horue, theultrafoil …) with similar price though.
A stable product as shown on Instagram videos : https://www.instagram.com/surffic/
Cimi Sports on Alibaba: price 3000-6000usd https://www.alibaba.com/product-detail/CIMI-Sports-top-Quality-Efoil-surfboards_62290747311.html
Here are a few details that could be useful to DiYers. For example, they gave up latches and use a pair of bolts and screws to close the hatch lid . Cable connectors are really nice too.
ESC cooling plate :
From battery to ESC to mast connections: