780 x 430 mm Topmount Quartz Double Bowl Sink | 7843S S-Series
Product Overview
The 7843S is a 780 x 430 mm quartz composite kitchen sink: a topmount double-bowl layout for regional dealers, with two separate working zones in one composite unit. It is supplied through our partner manufacturing network in quartz composite of approximately 80% quartz sand and 20% resin, a standard North American distributor specification.

Specifications
Overall size: 780 x 430 mm (approx. 30.7 x 16.9 in). Material: quartz composite (approx. 80% quartz sand, 20% resin). Configuration: S-series topmount double bowl. Finish: matte quartz. Bowl split, drain position, faucet-hole layout, and accessory package are confirmed on request.
Dimensions and Cabinet Compatibility
Overall: 780 x 430 mm (approx. 30.7 x 16.9 in), planned with a 30 in base cabinet as typical planning guidance. Confirm the cutout template with your fabricator before countertop production.
Installation
Topmount installation: the rim drops into the countertop cutout and rests on the cabinet deck. Confirm the cutout template and faucet-hole layout with your fabricator before countertop production.
B2B Ordering
MOQ
20 pcs per model; mixed-model distributor assortments can be discussed at RFQ stage.
Lead Time
Approximately 35 days after deposit and specification confirmation.
Private Label / OEM
Private-label and OEM options are available at MOQ, including custom cartons and branding for distributor programs.
Packaging
Carton packed with EPE foam and corner protection, palletized for sea freight to North American ports.
Buyer Questions
Can models be mixed in one container? Yes, mixed-model assortments are negotiable at RFQ stage.
Do you claim certifications? None unless verified for your market; we do not assert cUPC, CSA, NSF, IAPMO, CE, or UL.
Payment? T/T 30% deposit / 70% balance before shipment.
For cutout and template planning, see the quartz composite kitchen sink options overview and the quartz sink RFQ checklist.
