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Long Arm Double-Needle Walking Foot Heavy Duty Industrial Sewing Machine for Sofa
US$955.00
1 Piece
US$950.00
2+ Pieces
Product profile
After-sales Service
Video Technical SupportWarranty
One YearCondition
NewModel NO.
SK 4420L-D4Certification
CEApplication Place
FactoryApplicable Thickness
Thick MaterialDrive
ElectricThread Number
Double ThreadsNeedle Number
Double NeedlesStitch Type
Lock TypeOperating Area
650mmx150mmN.W
50kgTarget
LeatherNeedle Type
Dpx17 18#-23#Transport Package
CartonSpecification
750*290*450mmTrademark
SEWKEYOrigin
Taizhou ChinaHS Code
8452290000Production Capacity
5000Key features
Extended Working Throat: 762mm long arm throat provides large space for big-size products like sofas and tents.
Triple Synchronous Feed: Top, bottom, and walking foot feed prevent slipping and wrinkling on thick materials.
High-Speed Performance: Max sewing speed reaches 2000 revolutions per minute for efficient production.
Servo Motor Drive: Built-in 370W direct drive servo motor ensures low noise and stable speed control.
Durable Construction: Thickened cast iron body with anti-vibration structure for long-term stability.
Automatic Functions: Features automatic reverse sewing, foot lifting, thread trimming, and needle stop.
Comprehensive Warranty: Includes 12-month warranty with free spare parts for peace of mind.
Flexible Customization: Supports full customization, minor customization, and customization from designs.
Company profile
CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤5.06h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryThe supplier is a limited company offering sewing machines and related mechanical and hardware products, with SEWKEY identified as its own brand. It reports established quality-control procedures, finished-product inspection instructions, corrective and preventive action records, and complaint-handling procedures. The supplier claims strong manufacturing and management systems, but the provided data does not independently verify production scale or certifications. Customization is available across several models, including sample, design, full, minor, and flexible customization. However, no new products were developed in the past year, and the supplier does not provide ODM, SDK, or popular-brand OEM services. Export activity is substantial at 90% of sales, with 16 years of export experience, but there are no overseas agents, branches, warehouses, showrooms, or stated overseas-service countries. Financial records are indicated for 2022–2024, but no financial results are provided.
Supplier typeThe supplier is identified as a limited company whose stated product scope includes sewing machines, while its business scope also covers mechanical equipment, hardware, and certain medical-device sales. SEWKEY is presented as its own brand, indicating a branded product supplier rather than only an intermediary.
After-Sales capabilityThe supplier reports a complete after-sales service system, documented corrective and preventive actions, and a documented customer-complaint procedure with records. However, it has no overseas agents or branches, no overseas warehouse or showroom, and reports zero countries with overseas services, limiting demonstrated local overseas support.
R&D capabilityThe supplier states that it introduced no new products during the past year, provides no ODM service, and has no available SDK. It does use ERP and reports OA, CRM, and SAP systems, but these support management digitization rather than proving product innovation.
Production capacityThe supplier reports advanced equipment, skilled workers, a high-efficiency production and management system, documented finished-product inspection, and quality-control assurance. It has no in-stock capability, while the status of outsourcing procedures and manufacturing contracts is unknown; production capability is therefore supported but not fully verified in scale or supply flexibility.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. These repeated descriptions provide direct evidence of broad customization capability, although they do not specify technical limits, tooling, or development timelines.
Product Q&A
Q:What is the maximum sewing speed?
A:
The machine can achieve a maximum sewing speed of 2000 revolutions per minute.
Q:What materials is this machine suitable for?
A:
It is suitable for thick materials including leather, canvas, foam, upholstery, luggage, and car cushions.
Q:Does the machine come with a warranty?
A:
Yes, it includes a 12-month warranty with free spare parts and online technical support.
Q:What is the operating space size?
A:
The operating space is 762mm x 150mm, providing a 76cm long arm throat for large products.
Q:Can the machine be customized?
A:
Yes, we offer full customization, minor customization, and customization from samples or designs.
Send Inquiry
*To:
TAIZHOU SEWKEY GARMENTS MACHINERY CO.,LTD.
TAIZHOU SEWKEY GARMENTS MACHINERY CO.,LTD.*Content:
Supplier replies will be sent to your registered email
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