7750 quartz kitchen sink with draining board – 770 x 500 mm
Model 7750 pairs a square single bowl with an integrated draining board in one 770 x 500 mm quartz composite body. The drainage grooves are cast into the deck, so no separate steel drainer is needed. A round-basin version of the 7750 also exists in the catalogue and is published as its own page.


Product specifications
- 型号 7750 (single basin with draining board series, square-basin version)
- Overall size: 770 x 500 mm (topmount)
- Drain fitting: 114 mm cover / 90 mm opening
- 碗的布局 square single bowl + cast draining board
- Material: 80% quartz / 20% resin composite
Common buyer questions
What are the dimensions of the 7750?
The overall body is 770 x 500 mm; the drain opening is 90 mm with a 114 mm cover.
Is there a round version of the 7750?
Yes. The catalogue lists a round-basin 7750 with draining board at the same 770 x 500 mm size, published separately so buyers can order the exact shape they need.
What is the MOQ for the 7750?
Minimum order quantity for this quartz composite model is 20 pieces. Mixed-colour orders within the same model can be discussed with the sales team.
What is the lead time for the 7750?
Standard production lead time is 25–35 days after deposit and drawing confirmation, depending on order quantity and season.
Sourcing notes
The built-in draining board format fits UK, EU, and AU programs where a drainer is expected on the sink deck rather than as an add-on rack.
About the manufacturer
Foshan Jinyunke Kitchen & Bath Co., Ltd manufactures stainless steel and quartz composite kitchen sinks in Foshan, Guangdong, China, supplying B2B importers, distributors, and OEM/private-label programs. Quartz sink MOQ: 20 pieces per model. Typical lead time: 25–35 days after deposit. Trade terms: EXW Foshan or FOB Guangzhou; payment T/T 30/70. Contact: Cyndi Lee, WhatsApp +86 134 3482 5666.





