LDSF51-1
1+2+3 modular sectional set
Nine printed size options · 800 mm platform depth · corner chaise and side-table units.
View the 1+2+3 modular sectional set Request a quote for this modelModular Office Sofas
Modular office sofa sets built from dimensioned units, not fixed boxes: single, two-seat and three-seat seats, corner chaise pieces, high-back modules and ottomans, each with a printed factory size and shared platform geometry. That is what lets you plan an L-shaped run, a future re-layout or a phased top-up before you ever request the quote.
Factory-direct B2B supplier Office furniture manufacturer in Foshan, Guangdong · Founded 2007 · OEM/ODM available
Dimensioned modular units 15 printed size options across two platforms · sizes transcribed from factory specification diagrams
Corner, chaise and high-back modules L-shaped runs with 90° turns · privacy backs to 1150–1200 mm for focus nooks
Project ordering support Quotation by model and specification number · phased re-orders referenced to recorded codes
What Modular Means on This Page
The modular claim only counts if the units are real. Here, modular means furniture sold as dimensioned components on a shared platform, not a three-piece suite photographed from a flattering angle.
Dimensioned before you ask. Every unit carries a printed factory size, so floor plans, wall runs and door widths are checked against real numbers before quotation.
Open-end construction. Single-arm and armless ends join flush, so a row reads as one continuous seat line instead of pushed-together pieces.
Phased expansion. New units re-order against the model code and specification number recorded at first purchase, so phase two matches phase one.
If you are still comparing across the wider range, the full office sofa collection lists every current model, including executive lounge and reception options.
Start My Modular Configuration Tell us the scene and the wall lengths, and we will reply with unit picks that fit both.
Modular Office Sofa Systems: Two Platforms, Dimensioned Units
LIYU currently builds two sofa platforms as matched unit systems. The LDSF51-1 series is listed as a 1+2+3 modular sectional: a one-seat, a two-seat and a three-seat unit sharing an 800 mm depth, a 450 mm seat height with 700 mm backs, and a black metal frame. Its specification selector offers nine printed unit diagrams, including armless ends, single-arm ends, a 1200 mm corner chaise and units with wooden side tables.
The LD24-05-1 series takes the same idea into hotel and reception work: six printed options on a 720 mm platform with a white tube frame, from a 750 mm single seat to high-back privacy modules and ottomans. This is the same logic behind an office sectional sofa, matched units that keep one seat line; the difference is paperwork, because every option is drawn and dimensioned, so you can prove the combination fits before it is built.
Shared geometry is the proof. Set components keep the same depth, seat height and frame family, and each specification diagram shows which ends are open and where the back sits. Where a layout needs units mechanically fixed, the fixing method is locked on the layout drawing at quotation rather than improvised on site.
Check My Layout Against These Units Send the plan; we return unit picks with printed sizes.
Compare Module Types and Handedness
The fastest way to judge a modular program is to read the unit list. The table below lists the printed options across the two platforms, transcribed from the factory specification diagrams.
| Module | Printed size (W×D×H, mm) | Platform | Where it fits |
|---|---|---|---|
 Single seatTwo fixed arms | 950 × 800 × 450/700 | LDSF51-1 | Armchair anchor; closes both ends of a run or stands alone in meeting corners |
 Two-seatOpen end + arm | 1800 / 2000 × 800 × 450/700 | LDSF51-1 | Mid-run seating along window lines and partition walls |
 Three-seatLong-run backbone | 2200 × 800 × 450/700 | LDSF51-1 | The backbone of a long wall run or reception edge |
 Chaise / cornerTurns the run 90° | 1200 × 1000 × 450/700 | LDSF51-1 | Turns a line at the corner; the deeper seat reads as a lounge corner sofa for office break areas |
 High-back singlePrivacy back to 1150 | 750 × 720 × 450/1150 | LD24-05-1 | Focus nook inside open lounges; lobby privacy seating |
 Ottoman & benchFlex seating | 600 × 600 × 450 · 1200 × 600 × 450 | LD24-05-1 | Flex seats and footrests; doubles as coffee-table height |
Sizes are transcribed from the factory specification diagrams for each option; heights print as two figures (seat / back). The CZY-QC751 lounge chair is produced to customized sizes rather than printed options.
Left, right and open ends
Chaise and corner pieces turn a line 90°, and their backrests sit on one side only, so orientation is a real decision. When you request a corner sofa for office layouts, state the orientation from the sitting position: backrest on the left or on the right. Match the ends too, because an arm closes a run while an open end continues it, and every specification diagram shows where the arm or back sits. The orientation you order is the orientation that arrives.
Pick Units for My Floor Plan Mix modules across one platform; sizes confirmed per option.
Build and Measure Configurations
A straight run is simple addition. Corners are where plans break, because total length is not the sum of unit widths once the line turns. Four rules cover almost every case.
Straight runs: add the unit widths. Open ends sit flush against the next unit, so no connector allowance is added between pieces.
Corner runs: long side = corner unit width + straight unit widths on that wall; short side = corner unit depth + straight unit widths on the other wall.
Depth transitions: the corner chaise is 1000 mm deep against 800 mm straight units. Align the backs at the wall and the fronts step forward, or keep one straight front and let the backs step. Decide it on the plan, not on site.
Circulation: keep a 900–1100 mm walkway in front of the seat line so the run does not pinch the room.
L-shaped run from printed unit sizes
Indicative example only; the final footprint is confirmed on the layout drawing.
Worked example (indicative): corner 1200 mm + three-seat 2200 mm gives a 3400 mm long side; corner depth 1000 mm + single 950 mm gives a 1950 mm short side. The same math applies to any l shaped office sofa plan: measure per side and mind the corner depth, and the footprint stops being guesswork.
Size My Combination Send wall dimensions; we return the footprint and unit list.
Check Connectors, Reconfiguration and Replacement
Once the layout is settled, buyers ask how the system behaves over years of moves, additions and cleaning crews. The table below lists what to have in writing before the order.
| What to confirm | What to record before ordering |
|---|---|
| Unit alignment | The platform code, depth and seat height shared across the run; the specification number for every unit |
| Mechanical fixing | Whether the layout needs units fixed together; the method is locked on the layout drawing at quotation, not improvised on site |
| Floor leveling | Glide or leveler requirement for stone and tile floors, written as an order line item where the site needs it |
| Re-orders and replacements | Model code, specification number and fabric reference from the first order; later units reference those codes so they match the original run |
| Supply continuity | Continued-supply and color-match expectations agreed in writing at first purchase, since later batches may vary slightly in shade |
| Frame style per platform | Black metal legs on LDSF51-1, white tube frame on LD24-05-1; note the platform so site preparation matches |
Procurement checkpoint: when comparing modular office sofa suppliers, ask three things. Which units share a platform? Can replacement units be ordered against the original specification number? How is fixing handled on site? The answers separate a real system from a catalog word.
Confirm Connection & Replacement Terms Terms confirmed with the quotation, in writing.
Plan Expansion and Procurement
Phased projects are won or lost on paperwork. If phase two must match phase one, the codes recorded today decide it.
Step 1 · Lock the platform. Choose the platform and record the model code with the specification numbers actually ordered.
Step 2 · Record the finish. Note fabric and color as ordered, and agree color-match expectations for later batches.
Step 3 · Re-order by reference. Phase two references codes and specification numbers, never photos of the first delivery.
Step 4 · Put continuity in the RFQ. Ask for continued supply of the same specification in writing, so year-three units are orderable.
The checklist below doubles as your inquiry template:
- Scenario: office lounge, reception, hotel lobby or breakout area
- Model (optional): LDSF51-1, LD24-05-1 or CZY-QC751
- Quantity or seat count
- Available space or floor plan (optional)
- Material preference
- Delivery country
- Target timing
- Contact details
- Budget (optional)
Write the first message yourself? Copy this brief, fill in your numbers, and paste it into the inquiry form or email.
You can reach the team through the contact page or write directly to ada@liyu-furniture.com. Our customization program covers sizes, layouts and materials when the printed options need adjusting.
Request a Modular Configuration Layout check, unit list and factory quote in one reply.
Modular Office Sofa Sets in Current Production
Three listed models cover the program: two set-based platforms with printed unit options, plus a sculpted single chair for lounge corners.
LD24-05-1
Commercial modular set for hotels
Six printed size options · high-back privacy modules to 1200 mm · 720 mm platform.
View the commercial modular set for hotels Request a quote for this model
CZY-QC751
Single lounge chair, customized sizes
Sculpted single seat · size customized per order · lounge corners and reading areas.
View the custom single lounge chair Request a quote for this modelComparing set sizes across the whole seating range? Browse all commercial office sofa options in the central collection.
Get Factory Pricing Factory-direct · MOQ varies by model.
Frequently Asked Questions
What makes these office sofas modular?
Each set is built from dimensioned units that share one platform: the same seat depth, seat height and frame family across the range. Single, two-seat and three-seat units, corner chaise pieces, high-back modules and ottomans are specified with printed factory sizes, and every option shows its arm and back position in the specification diagram. You plan the run from the unit list, the way an office sectional sofa works: matched units forming one continuous seat line.
How do I calculate the footprint of an L-shaped office sofa?
Measure per side, not as one number. Long side = corner unit width + straight unit widths. Short side = corner unit depth + straight unit widths on that side. For example, a 1200 mm corner piece plus a 2200 mm three-seat unit gives a 3400 mm long side, and the 1000 mm corner depth plus a 950 mm single seat gives a 1950 mm short side. These figures use printed factory sizes as an indicative example; the final footprint is confirmed on the layout drawing. The worked diagram is in the guide above.
Can I order additional matching units later?
Yes, that is how phased projects work. Record the model code, the specification number and the fabric reference from your first order, and reference those codes when you re-order. Because later batches may differ slightly in shade, agree color-match expectations and continued-supply terms at the first purchase. Our customization program covers repeat orders of the same specification.
Do the units connect with mechanical brackets?
The sets are designed as matched components: open-end and single-arm units align flush and hold their line through the shared platform geometry. Where a project needs units mechanically fixed together, the fixing method is treated as a production specification and locked on the layout drawing, then confirmed with your quotation.
Which upholstery materials are available?
Upholstery material and color are specified at quotation. The factory unit diagrams on this page show fabric finishes, and individual product listings also present leather and PU options for specific models. Fabric codes, color cards and cleaning guidance are confirmed with the quotation for the model you choose.
What is the MOQ and lead time?
MOQ varies by model, configuration and destination market. Typical production runs 1 to 3 weeks per our official FAQ; the exact schedule for your configuration is confirmed in the quotation.
Ask Us Directly Questions about a specific configuration get the fastest answer by email.
Ready to configure?
Send your floor plan or unit list, and we will reply with a layout check, footprint and factory quote.
LIYU Furniture manufactures office furniture in Foshan, Guangdong, including desks, seating, tables and storage for commercial projects. Unit sizes on this page are transcribed from factory specification diagrams; layout drawings are concept diagrams, not delivered projects.