Thanks for the write up & photos of the Chinese carts. TBH there is very little the Chinese cannot do. Quality is also improving across the board too.
Do keep us updated on any further insights you might gather. Certainly is food for thought! Mainstream cart makers should be worried ( if the car EV, solar PV panel makers are anything to go by!)
Chinese catridges
Re: Chinese catridges
Let the Good Times Roll...................