Warendorf Series W1 - Does anyone know it?

Good evening,

I currently have an offer for €13,700 all-in.
There is relatively little information online about Warendorf, and practically nothing about the aforementioned series.
Does anyone know it and can say something about quality and price?
By the way, these chairs and the downdraft extractor are going away. Drawers will be installed here.

Attached are the offer plus pictures.

Worktop:
Plastic board, 2 cm thick,
1.5 mm thick edge in the decor of the surface,
Size approx. 257 x 60 cm and island 218 x 100 cm,
all-around wall splash guard in stainless steel color,
worktop height 92 cm

Sink area:
Manufacturer Franke, Centro MTG 611-100, 1 basin + draining area

Cabinet arrangement - wall side:
1 wall end panel, 5 x 212 cm
1 tall cabinet for refrigerator, 60 x 212 cm
1 outer panel right, 58 x 212 cm
1 base cabinet with door,
2 shelves, 50 x 80 cm
1 sink base cabinet with front pull-out for waste sorter, 60 x 80 cm
1 dishwasher front, 60 x 80 cm
1 base cabinet with drawer/pulls, 80 x 80 cm
1 wall end panel, 7.1 x 80 cm
1 wall cabinet with 2 doors,
2 shelves, 80 x 80 cm
1 outer panel left, 37 x 80 cm
1 wall end panel, 7.1 x 80 cm

Cabinet arrangement - island:
1 wall end panel, 5 x 80 cm
1 base cabinet with drawer/pulls, 60 x 80 cm
1 cooktop base cabinet,
1 fixed panel with socket,
2 drawers, 90 x 80 cm
1 oven base cabinet with 1 drawer, 60 x 80 cm
1 outer panel right, 100 x 90 cm
1 island back panel 148 x 90 cm
1 outer panel, 37 x 90 cm
1 base cabinet with door,
2 shelves, 60 x 80 cm, 37 cm deep
1 wall end panel, 5 x 80 cm

Refrigerator: Siemens: KI 86VVFF0
Dishwasher: Siemens SX 63HX52BE
Oven: HB 517GBS0
Cooktop / downdraft extractor: Bora Pure Type PURU

Accessories:
2 cutlery inserts in anthracite plastic, 1x 80 cm + 1x 60 cm wide
1 socket manufacturer Bora Type USTF (mounted in the island front panel)

Thanks for the exchange.