What after-sales support is provided?

We offer video technical support for maintenance and usage guidance.

What is the maximum sewing thickness?

The max sewing thickness is 7-13mm.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, and Western Union.

High-Speed Double Needle Lockstitch Sewing Machine for Seamless Stitching

Name: High-Speed Double Needle Lockstitch Sewing Machine for Seamless Stitching
Brand: TAIZHOU SEWKEY GARMENTS MACHINERY CO.,LTD.
SKU: 703882501

Zhejiang, ChinaTAIZHOU SEWKEY GARMENTS MACHINERY CO.,LTD.

US$0.98-4,300.00

50 Pieces

Product profile

After-sales Service

Video Technical Support

Warranty

One Year

Condition

New

Model NO.

SK8422D

Certification

ISO9001

Application Place

Factory

Applicable Thickness

Middle Thickness Material

Drive

Electric

Thread Number

Double Threads

Needle Number

Double Needles

Stitch Type

Lock Type

Presser Foot Lifting

7-13mm

Needle

Dpx5 11-16#

Presser Foot Lift Height

7-13mm

Speed

3500rpm

N.W/G.W

47.5kg/50kg

Transport Package

Carton

Specification

670*350*635

Trademark

SEWKEY

Origin

Taizhou China

HS Code

8452290000

Production Capacity

5000

Key features

Double Needle Lockstitch: Ensures precision in turning, right angle, acute angle, and straight sewing with synchronized fabric feeding.

High-Speed Efficiency: Max sewing speed reaches 3500rpm with direct drive servo motor, saving 50% electricity.

Versatile Sewing Capability: Suitable for light, medium, and heavy garment sewing with fine adaptation to various fabrics.

Low Noise & Radiation Free: Advanced feeding mechanism prevents leaping at high speed with lower tension and beautiful appearance.

Comprehensive Warranty: One-year warranty coverage provided for all mechanical equipment.

Video Technical Support: Remote video assistance available for maintenance and troubleshooting.

Flexible Customization: Offers full, minor, and flexible customization options from samples or designs.

ISO9001 Certified: Manufacturing process meets international quality standards with 100% finished product inspection.

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: ≤4.19h 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.