What is your warranty?

12 months international warranty. ree technical support during warranty period. Lifetime online service support.

Can we visit your factory?

Yes, we warmly welcome factory visits. We also support online video tours and live machine demonstrations.

What certifications do you have?

We are certified with ISO9001, ISO14001, ISO13485, and CE compliance design, meeting international industrial standards.

Tongda Alpha Zero-Twist Yarn Doubling Equipment with Automatic Bobbin Changer 300m/Min Speed

Name: Tongda Alpha Zero-Twist Yarn Doubling Equipment with Automatic Bobbin Changer 300m/Min Speed
Brand: Qingdao Tongda Textile Machinery Co., Ltd.
SKU: 2156894075

Shandong, ChinaQingdao Tongda Textile Machinery Co., Ltd.

US$10,000.00-15,000.00

1 Piece

Product profile

Customization

Available

Type

Spinning Production Line

Automation

Model NO.

ALPHA

Spinning Method

Ring Spinning

Processing Material

Wool

Producing Process

Spinning Equipment

Certification

CE, ISO9001: 2000

Warranty

12 Months

Customized

Non-Customized

Condition

New

After-sales Service

1 Year

Product Name

Doubling Machine

No. of Spindles

Max. 60 Spindles for Single-Sided, Max. 120 Spindl

Yarn Count Range

10-3000 Dtex Ne3-80 (Nm5-135)

Spindle Gauge

Standard 450mm

Winding Mode

Digital Winding, Precise Winding

Section Length

1944mm

Length of Empty Bobbin

170mm or 230mm

Transport Package

Nude Packing or as Customer's Request

Specification

5300x1600x1200mm

Trademark

TONGDA

Origin

China

HS Code

8448499000

Production Capacity

200 Sets/Month

Key features

High-Speed Production: Max yarn speed up to 1200 m/min for improved efficiency.

Precision Winding System: Increases package weight by 30% with active winding to prevent slipping.

Electronic Traverse Guide: Solves yarn splitting and oil-spotting issues with optimized yarn path.

Single Spindle Control: High accuracy length meter with 0.5% precision rate and consistent results.

Stable Tension Control: Supports up to 12 circles per round trip for even twist balloon tension.

Wide Yarn Count Range: Handles yarn counts from 10-3000 Dtex (Ne3-80) for various materials.

CE and ISO Certification: Products certified by Industry Administration Authority meeting 3C and CE standards.

Comprehensive After-Sales: 1-year international warranty with 24-hour online support and overseas engineers.

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: ≤4.32hTerms 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?

TONGDA Group was established in 1952 and is a professional textile machinery manufacturer with complete industrial chain coverage. We supply full solutions for: Spinning / Weaving / Knitting / Waste Cotton Recycling / Nonwoven / Dyeing & Finishing / Parts & Accessories. We also provide complete production line planning, workshop layout design, and auxiliary system solutions. From raw material processing to finished textile production, we support full factory solutions.

Q:Do you provide factory design?

We offer complete plant solutions, including: Production line planning Workshop layout design Air piping system design Waste collection system design

Q:How do you ensure product quality?

Key components from reliable suppliers Core technology independently developed Strict inspection before delivery Stable performance and long service life

Q:Do you support overseas installation?

Yes. We provide: Overseas engineer installation & commissioning Technical guidance Online support 24/7 Remote troubleshooting

Q:Are you manufacturer or trading company?

We are a direct manufacturer with our own international sales team, ensuring factory price and professional technical support.