25,000㎡

Factory, Est. 2009

 

150–180

R&D / Production / QC Staff

 

10+

Granted Utility Patents

 

120+

Global Trade Partners

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Powered Reclining Mechanism Assembly

Powered Reclining Mechanism Assembly

Electric and manual reclining mechanisms are metal-stamped, then fatigue-tested against the 2876U benchmark: 25,000 full extension cycles at a 360 lb distributed load. Single-motor, dual-motor, and Zero-Wall Recline configurations run through the same test gate, so a hotel-spec unit and a residential unit share identical mechanism tolerances.

 
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Fixed-Frame Fabric & Leather Upholstery

Fixed-Frame Fabric & Leather Upholstery

Fixed-frame sofas use kiln-dried hardwood or steel-reinforced frames , then upholstered in SGS-certified fabric or top-grain leather. As a custom sofa manufacturer serving hospitality and wholesale buyers, we hold frame joints to a documented racking-load spec before foam and upholstery go on, so a frame fault is caught before the container ships.

 
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Modular & Knock-Down Sectional Systems

Modular & Knock-Down Sectional Systems

Modular sectional and L-shaped frames use a patented tool-free connector system, cutting shipping cube by roughly 30% against fixed-frame equivalents and reassembling on-site without hardware loss. Each module ships pre-fitted and numbered to its floor-plan position, reducing on-site assembly error across multi-unit hotel and serviced-apartment installs.

 
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Contract-Grade Hospitality & High-Cycle Seating

Contract-Grade Hospitality & High-Cycle Seating

Contract seating for hotels, cinemas, and clubhouses is built around Split Independent Backrest mechanisms and reinforced base frames rated for continuous public-use cycling rather than residential duty. Foam density and fabric abrasion rating are specified above household-grade minimums before a project quote is issued.

 
JSC — Jiu Sheng Chen International Trading Co.,
JSC — Jiu Sheng Chen International Trading Co., Limited, a Hong Kong-registered company (Reg. No. 77029037, registered September 2024) — is the commercial entity behind every order. Its manufacturing arm, Huizhou Ramson Technology, owns the factory and the patent portfolio, and markets its factory-direct engineering and OEM/ODM capability to overseas buyers under the brand name Ramson. Ramson is not a separate registered company: it is how the factory presents itself to buyers who want to evaluate production capability directly, while JSC remains the contracting, invoicing, and after-sales party of record. Founder and Controller, Gigi Xie, has spent 17 years in sofa manufacturing and export trade — experience that shapes how compliance documentation, production scheduling, and container planning are handled for every custom sofa manufacturer inquiry from overseas buyers.
Get Instant Quote

Hotline 24/7

+852 5166 0938

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The Factory Behind the Trade Desk

Huizhou Ramson Technology operates a 25,000-square-meter facility in Huizhou, Guangdong, established in 2009 and organized around four production lines with combined monthly output near 80 containers. A team of 150 to 180 people covers R&D, frame fabrication, upholstery, and quality control inside one building, so a sample approved on the factory floor is produced on the same line that ships the mass-production order — not handed to a subcontracted workshop.

Certificate Introduction

Certification is grouped by material and electrical compliance rather than presented as one blanket claim. Materials carry CARB P2 formaldehyde limits, FSC forest-sourcing certification, and GB 8410 A-0 fire-retardant foam rating. Electrical assemblies are certified via Shenzhen CTL Testing Technology to CE-LVD (EN IEC 60335-2-32:2021) and CE-EMC (EN IEC 55014-1/-2), screened under RoHS 2.0 and REACH SVHC's 247-substance list, and carry FCC SDoC under Part 15 Subpart B for North American import — the certification stack a custom sofa manufacturer needs on file before a container clears customs.

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Six Verticals, Six Different Modes
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    Hotel & Resort Guestroom Lounges

    Hotel guestroom and lounge seating faces a different failure mode than residential use: constant reclining by different body weights across a 15-plus-year renovation cycle, not occasional use by one household. Our 2876U mechanism series is fatigue-verified to 25,000 cycles at 360 lbs, matched to fire-retardant GB 8410 A-0 foam and abrasion-rated contract fabric, so a 200-room refurbishment order doesn't come back with mismatched mechanism wear across floors. Zero-Wall Recline also keeps footprint predictable when guestroom layouts vary by only centimeters.

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    Home Theater & Private Cinema Rooms

    Home theater rows raise one recurring spec problem: one guest reclining shouldn't tip a neighbor's seat or block the walkway behind the row. Split Independent Backrest mechanisms (patent ZL 2024 2 3042629.0) let each seat recline on its own hinge point without shifting the shared base frame, so rows can be specified back-to-back without extra clearance. Cup holders, USB or wireless charging, and powered footrest extension are configured per project without altering the base mechanism tolerance or lead time.

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    Corporate Reception & Office Lounges

    Office reception seating is used by a rotating public rather than one owner, so seam failure at high-touch points—the seat-to-back junction, arm panels—is the complaint most often raised. Structural stitching is reinforced at those points before foam assembly, and frame joints are corner-blocked and screwed rather than stapled. L-shaped and modular units are built to standard floor-plan modules, so a facilities buyer can reorder matching sections years later without a fabric batch or color mismatch.

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    Serviced Apartments & Villas

    Serviced apartment and villa projects usually specify a higher comfort tier than standard rental furniture, without accepting a shorter service life in exchange. Dual-motor drives, powered headrest and footrest extension, and temperature-controlled cushion options run on the same mechanism platform tested to 25,000 cycles, so a villa-grade configuration doesn't trade durability for added function. Manual, non-motorized versions are built on the identical frame for projects managing per-unit cost across a larger total unit count.

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    Assisted-Living & Senior-Care Seating

    Assisted-living seating raises two questions procurement teams ask directly: can a resident get in and out safely, and will the mechanism hold up spec after years of heavier daily cycling. Reinforced base frames and a higher foam-density spec address the second question; recline angle and seat height are configured per project brief to address the first. Fire-retardant GB 8410 A-0 foam and fabric abrasion testing are standard on this seating category rather than offered as an optional upgrade at extra cost.

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    Retail Showroom & Big-Box Floor Display

    Retail showroom and big-box floor stock has to survive repeated customer testing of the recline function, not just delivery and one owner's household use afterward. The same 2876U mechanism series specified for hospitality projects is used on showroom floor units, so demo-floor wear doesn't outpace what the mechanism is rated to handle before the unit sells. Knock-down frame packing also keeps floor-sample freight cost and in-store assembly time down for chains restocking several locations at once.

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    HOSPITALITY

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    MEDIA ROOM

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    CORPORATE

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    RESIDENTIAL

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    CARE FACILITY

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    RETAIL

Six Controlled Steps, Raw Material to QC-Passed Unit
This is what a custom sofa manufacturer actually controls between raw material and a shipped, QC-passed unit — sequenced in the real production order.
  • 01
    CUT
  • 02
    FILL
  • 03
    CUT
  • 04
    STITCH
  • 05
    TEST
  • 06
    PROTECT
Frame Cutting
Frame components are cut from kiln-dried hardwood and cold-rolled steel to CNC-controlled dimensions rather than hand-marked templates, holding joint tolerance within the range corner-blocking screws need to seat without gap-filling. More About..
Foam Filling
Seat and back cushions use high-density, fire-retardant foam cut and filled to the GB 8410-2006 A-0 rating — self-extinguishing before the first measurement mark under standard testing. Density is specified by product category, and foam blocks are batch-tested before cutting rather than sourced against one blanket spec. More About..
We provide a wide range of fabric options for customers:
Fabric options: waterproof, stain-resistant, scratch-proof (cat-scratch resistant) fabrics, tech fabric, linen, polyester fiber and plush fabric, etc.
For leather options: genuine leather including water buffalo hide and yellow cowhide in various thicknesses.
We also supply PVC materials of different thicknesses. Custom-made production is available according to clients' requirements. More About..
Stitching Workmanship
Structural seams — seat-to-back junctions, arm panels, mechanism access points — are double-stitched with abrasion-rated thread rather than the single-pass stitching used on lower-traffic panels. Seams are inspected before final close-up, catching a loose seam before the cushion is sealed shut around it. More About..
Compression-Resistance Testing
Finished mechanisms are fatigue-sampled against the 2876U benchmark: 25,000 full extension-and-retraction cycles under a 360 lb distributed load, independently verified by SGS. Foam is separately compression-tested for recovery rate, so seat sag is measured before a product ships, not reported back after the fact. More About..
Moisture-Proof Disposal
Kiln-dried wood frame stock is held to a target moisture percentage before cutting, and finished units are packed with moisture-absorbing material inside container-ready cartons to manage humidity change during ocean freight — protection that matters most on long-transit routes and humid destination climates. More About..
Delivery Process & After-Sales
Inquiry & Technical Brief
Covers target market, configuration, and destination compliance requirements before pricing is discussed.
 
2024 25 MAY
Engineering Review & Compliance Flagging
CE, RoHS, REACH, or FCC scope is flagged before sampling begins — not after customs.
 
2023 25 MAY
Quotation & Product information
Product information and certification scope attached, so quotes compare like-for-like.
 
2022 25 MAY
Sampling
Initial samples can be completed within 7–14 days. All revisions and adjustments are confirmed on the sample prior to mass production.
 
2021 25 MAY
Mass Production & QC Gates
30–45 days through in-line QC gates at frame, foam, stitching, and mechanism stages.
 
2020 25 MAY
Packing & Container Loading
Matching accessories included and marked with red thread
Anti-cut cardboard inserted prior to carton sealing
Pre-loading container inspection
Desiccants equipped for humid containers
 
2019 25 MAY
Shipping & Documentation
Complete shipping documents: Proforma Invoice, Commercial Invoice, Packing List, Certificate of Origin, Bill of Lading
Fumigation certificate available for wooden packing
Documents consistent with actual goods for smooth customs clearance
 
2018 25 MAY
After-Sales & Spare Parts
Free spare parts provided at 1–3% of total shipment quantity
Cover normal-wear components only
Extra spare parts subject to parts cost and shipping fee
 
2017 25 MAY
Frequently Asked Questions

Q1: Is Ramson a different company from JSC?

No. Ramson is not a separate registered company—it is the brand name under which Jiu Sheng Chen International Trading Co., Limited, the manufacturing arm of JSC (Jiu Sheng Chen International Trading Co., Limited, Hong Kong, Reg. No. 77029037), presents its factory-direct engineering and OEM/ODM capability to overseas buyers. Huizhou Ramson Technology owns the 25,000-square-meter factory, the production lines, and the patent portfolio, and carries responsibility for design, sampling, and quality control. Every contract, quotation, invoice, and after-sales claim tied to an inquiry made through this page is still issued by JSC, under the same founder and controller, Gigi_Xie — there is no third-party subcontracting and no separate legal entity behind the Lamason brand.

Q2: Can we engage the factory directly through this page, instead of JSC's main site?

Yes — that is what this page is for. Qualified overseas buyers with contract-manufacturing or private-label requirements can use this page to review production capability, mechanism test data, and certification scope before requesting a quote, then route the inquiry to the same JSC team that handles standard trade orders. This path generally suits buyers placing recurring bulk orders who want to evaluate factory engineering directly. Smaller or first-time orders are equally welcome here; they follow the identical quotation, documentation, and after-sales process described on JSC's main site, since both paths end at the same contracting entity.

Q3: How long do the recliner mechanisms actually last?

Our 2876U mechanism series passed independent SGS fatigue testing at a 360 lb distributed load across 25,000 full extension-and-retraction cycles, with no structural damage, abnormal noise, or functional loss recorded at the end of the test. Translated into daily use, 25,000 cycles works out to roughly 13-plus years at typical household reclining frequency, and considerably less under continuous hotel or public-seating traffic—which is why contract-grade projects add reinforced base frames on top of the same tested mechanism rather than relying on the mechanism rating alone. Full SGS test reports are available on request for a buyer's own compliance file.

Q4: Are the electric recliners CE-certified for the EU?

Yes. Powered mechanisms are certified via Shenzhen CTL Testing Technology to CE-LVD under EN IEC 60335-2-32:2021 (read together with EN 60335-1) and CE-EMC under EN IEC 55014-1 and 55014-2. Units are also RoHS 2.0 compliant across all restricted substances, including the four regulated phthalates, and screened under REACH SVHC against the current 247-substance candidate list with no substances detected above threshold. For North American orders, electronics carry FCC SDoC under Part 15 Subpart B. Certificate copies and test reports are issued alongside shipment documentation as standard, not held back for a separate request after delivery.

Q5: What's the MOQ and lead time?

The standard minimum order quantity is one 40HQ container. Sampling typically takes 7 to 14 days from a confirmed technical brief, and mass production runs 30 to 45 days depending on configuration, fabric sourcing, and order volume. Buyers combining several product lines or custom mechanism variants in one container should expect timing toward the upper end of that range, since mixed-configuration orders require additional QC checkpoints between product types. A production schedule with committed dates is issued at the quotation stage, before deposit, so lead time is confirmed upfront rather than estimated after the order is already placed.

Q6: What happens if we receive defective units?

Verified manufacturing defects reported within the agreed claim window are covered under a defined compensation process rather than handled case by case. This typically includes replacement parts or components for the affected units, drawn from the same spare-mechanism and actuator supply used for after-sales support. Claims are assessed against the bill of materials and certification scope confirmed at the quotation stage, so a defect is checked against the original order specification rather than a general warranty statement. Buyers should raise a claim with photos and batch reference numbers early, since claim windows run from the shipment date, not the date of use.

Contact Information

Jiu Sheng Chen International Trading Co., Limited

  • Email:

    jscsofa@jsc-furniture.com

  • Tel:

    +852 5166 0938

  • Whatsapp:

    852 5166 0938

  • Address:

    Room A17, 29/F, Ning Jin Centre, 7 Shing Yip Street, Kwun Tong, Kowloon, Hong Kong

* Kindly note our requirements for standard product lines as a reference Minimum Order Quantity

Product NameMOQ
JF-50171*40HQ
JF-50311*40HQ
JF-50191*40HQ

Request a Quote & Free Sample

Reach out to our team for inquiries, quotations, or cooperation opportunities.

 

Tell us your target market, product category, and order volume, and we'll confirm which certification package — CE, RoHS, REACH, FCC, or SGS — applies to your configuration before you commit to a sample. Include destination country and mechanism type if known; if not, our engineering team will recommend one based on your use case. Typical response time is within one business day, with test reports and patent documentation available on request from our custom sofa manufacturer engineering team.

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Industrial is great firm
Khalid Abdulkareem Ainoaman, Vice Chairman of the Board
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When selecting sofas remotely at the beginning, I only had drawings and specifications to refer to, and my biggest worry was ending up with an uncomfortable seating experience. It was hard to articulate the support I wanted merely through words. I kept filming reference videos of seat trials, describing the firmness of the cushions and how well the backrest fitted the body, and communicated back and forth to adjust the samples.
On the day I visited the factory, after verifying all engineering standards item by item, I tried out the motion sofa. When I pressed the electric button, the backrest tilted back smoothly, offering perfectly balanced support for my lower and upper back. At that moment, I experienced comfort that numbers alone could not convey. We tested the sofa repeatedly together, fine-tuned the sponge formula, and discussed fabric texture on site amid a relaxed and pleasant atmosphere.
Cross-time-zone communications and repeated sample revisions were no longer just a cold procurement process. All the efforts paid off when the finished products were delivered to the project. The trust built on genuine tactile experience stands as the most valuable gain from this procurement journey.
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Industrial is great firm
Mark Henderson (Procurement Manager)
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When sourcing the compressed sofa JF-5140, we enjoyed lots of interesting communication with your team. We exchanged ideas on fabric touch, resilience and compression packaging solutions repeatedly. Once we received the sample, everyone was amazed watching the sofa expand after unpacking. Running hands over the soft upholstery and testing the seating feeling brought a vivid sensory experience. We talked about minor adjustments to fit our local market, and your quick responses made discussions effortless. These sincere interactions went beyond simple business talks. Feeling the solid structure and comfortable cushion in person left a deep impression. This pleasant cooperation built reliable trust. We believe JF-5140 will be well-received by our buyers and hope to keep exploring more hot-selling compressed sofa items together.
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Industrial is great firm
Edward Morrison(CEO)
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When we looked at the storage sofa JF-5041, our communications were really enjoyable. We talked a lot about how practical the storage compartment should be. When the sample arrived, our team couldn’t wait to check it out. Everyone was surprised by how spacious the hidden storage is. We lifted the seat cushion back and forth, testing the hinge and feeling the smooth operation. Sitting on the sofa, we loved the soft fabric and balanced cushion support. We shared small ideas to better fit our local customers, and you listened carefully and offered great suggestions. These casual, genuine chats made the whole process fun. This functional storage design hits market demand perfectly. We believe JF-5041 will sell well and hope to keep working together.
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