8050 SB quartz composite topmount kitchen sink – 800 x 500 mm (31.50 × 19.69 in)
Model 8050 SB is a single-basin quartz composite kitchen sink with a cast draining board at 800 x 500 mm. The topmount body drops into the countertop cutout from above and rests on the worktop, taking a 114 mm cover over a 90 mm drain opening.


Product specifications
- Модель №: 8050 SB (single basin with draining board series)
- Overall size: 800 x 500 mm (31.50 × 19.69 in)
- Расположение чаши: single basin with cast draining board
- Installation: topmount
- Drain fitting: 114 mm cover / 90 mm opening
- Material: 80% quartz / 20% resin composite
- Catalogue colour: black (other colours: confirm with quotation)
- OEM/private label: available through Foshan Jinyunke Kitchen & Bath Co., Ltd
Common buyer questions
What are the dimensions of the 8050 SB?
Overall size is 800 x 500 mm (31.50 × 19.69 in); the dimension drawing above is the authoritative reference for cutout templates.
Which cabinet size fits the 8050 SB?
A 900 mm (35.43 in) base cabinet is the standard minimum opening for a topmount body of this width.
Is the 8050 SB a topmount sink?
Yes. The 8050 SB is a topmount design that drops into the cutout from above and rests on the countertop.
What material is the 8050 SB made of?
A quartz composite of 80% quartz sand and 20% resin, cast in a matte black finish.
Which colours are available for the 8050 SB?
The catalogue lists this model in black. The standard quartz colour card may offer additional colours for this body – confirm the available colour range with the quotation.
What is the MOQ for the 8050 SB?
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 8050 SB?
Standard production lead time is 25–35 days after deposit and drawing confirmation, depending on order quantity and season.
Which trade terms apply?
Pricing is EXW Foshan or FOB Guangzhou. Payment by T/T with 30% deposit and 70% balance before shipment.
Sourcing notes
The 8050 SB is the single-basin draining-board version and is a distinct product from the 8050 multifunctional model. It suits 900 mm cabinet openings that want a wide wash bowl plus a side drainboard.
Request a quote for the 8050 SB
For a quotation, please provide: model (8050 SB), quantity, colour, installation requirements, and packaging or destination/trade-term requirements if applicable. Ask about this model – Cyndi Lee, WhatsApp +86 134 3482 5666.
Related models and guides
- 7750 Round quartz composite sink with draining board, 770 x 500 mm
- 8650 single-basin quartz composite sink with draining board, 860 x 500 mm
- Kitchen sink manufacturer for B2B buyers
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- All kitchen sink models
- Request a quote
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.





