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Chrome-Plated Steel Ring for Spinning Machnie
US$0.25-4.00
200 Pieces
Product profile
Customization
AvailableClassification
Disc Type ComponentsProcessing Type
Mechanical ProcessModel NO.
TDSR-9Match Machine
Spinning EquipmentMaterial
MetalProcessing Level
Precision FinishingMechanical Process
CNCProcessing Trade
Processing with Material SuppliedCertification
CE, ISO9001: 2000Customized
Non-CustomizedCondition
NewProduct Name
Steel RingApplication
Spinning Machine PartsSize
Customized SizeFeature
Short Run-in Period, Good Yarn Forming EffectBrand
TongdaSuitable for Machine
Ring FrameAfter Warranty Service
Field Maintenance and Repair ServiceTransport Package
500-600 PCS Per Carton & 25 Days After T/T PaymentSpecification
PG1/2, PG1, PG2Trademark
TONGDAOrigin
Made in ChinaHS Code
8448399000Production Capacity
12000000 PCS/ MonthKey features
Long Service Life: Admirable abrasion resistance allows the steel ring to last 3 to 5 years.
High Hardness: Micro-hardness reaches HV830-850 with compact Martensitic structure.
High Efficiency: Reduces breakage and filoplume, heightening yarn quality and spinning efficiency.
Versatile Application: Suitable for cotton, chemical fiber, blended fiber, and high-speed spinning.
CE & ISO Certified: Products meet CE, ISO9001, ISO14001, and ISO13485 technical standards.
Professional Manufacturer: Tongda Group has over 65 years of history and 7 branch companies.
Overseas Support: Engineers available for overseas service under merchandiser supervision.
1-Year Warranty: Provides 1-year warranty for international standard with 24-hour online support.
Company profile

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 1988-02-01Nearest Port: QINGDAO, SHANGHAI, NINGBOAverage Response Time: ≤4.43hTerms 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:What is the service life of the steel ring?
A:
With admirable abrasion resistance, the service life can reach 3 to 5 years, keeping yarn quality stable chronically.
Q:What materials can this steel ring be used for?
A:
It is suitable for spinning all kinds of cotton, chemical fiber, or other blended fiber, including pure cotton, polyester cotton, TC, and PC.
Q:What is the hardness of the steel ring?
A:
With excellent bearing materials and advanced heat treatment techniques, the micro-hardness is about HV830 to 850 at any point from surface to heart.
Q:What certifications does Tongda have?
A:
Tongda is an ISO9001, ISO14001, and ISO13485 company. Products meet 3C and CE standards and are certified by the Industry Administration Authority.
Q:What is the warranty period?
A:
We provide a 1-year warranty for the international standard and offer 24-hour online support for any questions.
Send Inquiry
*To:
Qingdao Tongda Textile Machinery Co., Ltd.
Qingdao Tongda Textile Machinery Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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