Does the machine come with quality certification?

Yes, the product is ISO9001 certified.

What are the technical specifications regarding needles and threads?

The machine features double needles, four threads, a needle distance of 5, and a tape size of 24mm.

Sk5211-4D Automatic Elastic Waistband Head Device of Computer Sewing Machine

Name: Sk5211-4D Automatic Elastic Waistband Head Device of Computer Sewing Machine
Brand: TAIZHOU SEWKEY GARMENTS MACHINERY CO.,LTD.
SKU: 705219931

Zhejiang, ChinaTAIZHOU SEWKEY GARMENTS MACHINERY CO.,LTD.

US$0.98-5,000.00

10 Pieces

Product profile

Condition

New

Certification

ISO9001

Automatic Grade

Automatic

Model NO.

SK5211-4D

Application Place

Factory

Applicable Thickness

Middle Thickness Material

Thread Number

Four Threads

Needle Number

Double Needles

Head Number

Single

Model

Sk5211-4D

Speed

6000rpm

Tape Size

24mm

Needle Distance

Transport Package

Carton

Trademark

SEWKEY

Origin

Taizhou China

HS Code

8452290000

Production Capacity

200

Key features

High-Speed Operation: Operates at 6000rpm for efficient production.

Versatile Fabric Application: Suitable for underwear, T-shirts, sports pants, and waistbands.

Multi-Stitch Options: Offers a variety of stitches to choose from.

Time and Labor Saving: Automates upper collar and waistband sewing to reduce effort.

ISO9001 Certified: Meets international quality management standards.

Full Customization Available: Supports customization from samples, designs, and flexible options.

100% Product Inspection: Every finished product undergoes visual and function inspection.

Low Minimum Order: Accepts orders starting from just 1 piece.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceSelf-branded100% Finished Products Inspection

TAIZHOU SEWKEY GARMENTS MACHINERY CO.,LTD.

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤5.35h 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.