What certifications does Tongda have?

TONGDA is an ISO9001, ISO14001, and ISO13485 company. Products meet 3C and CE technical standards and are certified by the Industry Administration Authority.

What is the warranty period?

We provide a 1-year warranty for the international standard. If you have any questions about our machine, you can contact us online 24 hours a day.

What is the one-stop service offered?

We have an R&D department including more than 100 engineers who are improving and enlarging our supply range, offering comprehensive solutions from design to manufacturing.

Tongda Double Jersey 4/6 Colors Auto Striper Circular Knitting Machine

Name: Tongda Double Jersey 4/6 Colors Auto Striper Circular Knitting Machine
Brand: Qingdao Tongda Textile Machinery Co., Ltd.
SKU: 2153127325

Shandong, ChinaQingdao Tongda Textile Machinery Co., Ltd.

US$16,500.00

1 set

Product profile

Customization

Available

Warranty

1year

Type

Circular

Model NO.

TD-DE4/6C

Knitting Machine Cut

E28

Knitting Product Type

Belt

Knitting Style

Flat

Knitting Method

Double

Needle Style

Compound Needle

Needle Bar Style

Circular Knitting Machine

Computerized

Certification

CE, ISO9001: 2000

Condition

New

After-sales Service

1year

Diameter

30"-54"

Gauge

14-44G

Feeders

90f-136f

Brand

Tongda

Name

Single Jersey Circular Knitting Machine

Applicable

Polyester, Rayon Milk Fiber, Silk

Transport Package

Export Packing

Specification

1500mm*900mm*1200mm

Trademark

TONGDA

Origin

China

Key features

High-Efficiency Auto Striper: Patented self-developed striper device with auto & mechanical reset for stable, high-speed color changing.

Large Roll Capacity: Fabric weight reaches 180-200kgs per roll, saving costs and reducing fabric head/tail waste.

Advanced Control System: Equipped with micro-processing controller, touch panel, and high-speed selection for excellent knitting.

Versatile Fabric Production: Produces jacquard, interlock, rib, velvet, and mesh fabrics with complex pattern capabilities.

Durable & Low Noise: Oil-soaked gears ensure longer life, low noise, and fast rotation with open width system.

Intelligent Safety Features: Automatic stop for broken warp/weft, oil path protection, and precise zero-calibration detection.

Professional Manufacturer: Established in 1952 with 65+ years history, holding own International Trade Department.

Comprehensive Warranty: 1-year warranty for international standard with 24-hour online support and overseas engineer service.

Company profile

Qingdao Tongda Textile Machinery Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 1988-02-01Nearest Port: QINGDAO, SHANGHAI, NINGBOAverage Response Time: ≤4.18hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryTongda is identified as a factory and a China government group company with more than 60 years of operating history. The supplier reports 10 production lines, 50 years of total R&D engineer experience, 41–50 quality-control staff, and annual productivity of 1,000 ring spinning machines and air jet looms. It has broad export-market coverage, its own import and export rights, and has exported since 1988. ISO 13485, ISO 14001, and ISO 9001 certifications are reported. Evidence supports established production, export, and management-system capabilities. However, the provided information does not verify after-sales services, financial credibility, customer cases, customization services, or specific innovation offerings such as ODM, SDK, 3D design, or private-mold development.

Supplier typeThe supplier is explicitly classified as a factory, with headquarters in Shandong Province. Its representative title and company background identify it as Shandong Tongda Group, focused on ring spinning, cotton yarn spinning, and rotor spinning machinery.

CertificationsThe supplier reports ISO 13485, ISO 14001, and ISO 9001 management-system certifications. These provide explicit evidence of certification coverage in quality, environmental, and medical-device-related management systems, although certificate validity details are not provided.

R&D capabilityThe company states that it has complete infrastructure for product R&D, continuous innovation, and technological optimization, and reports 50 years of total R&D engineer experience. Specific capabilities for ODM, SDK availability, private molds, 3D design, and new-product development remain unknown.

Production capacityProduction capability is supported by 10 operating production lines, 41–50 quality-control staff, and reported annual productivity of 1,000 ring spinning machines and air jet looms. The company also describes annual production of 20,000 units of various cotton and spinning machinery models, although the relationship between these production figures is not clarified.

Product Q&A

Q:Why choose Tongda Textile Machinery?

TONGDA has over 65 years of history since 1952. We specialize in designing, manufacturing, and marketing a wide range of textile machinery with seven branch companies, providing complete line design and workshop layout services.

Q:What is the after-sale service policy?

We offer engineers available to service overseas under merchandiser's supervision and translation. We also provide 24-hour online support and welcome visits for face-to-face meetings.

Q:Is the price changeable?

We offer reasonable prices for every client. The price is changeable according to the purchasing amount.

Q:How is the quality guaranteed?

Main subassemblies and raw materials are supplied by large companies. Key parts are R&D by our staff. Professional assembly lines and strict quality test systems ensure high quality requirements.

Q:Are you a manufacturer or trade company?

We are a professional manufacturer holding our own International Trade Department, allowing us to better understand customer needs and offer reasonable prices.