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Steel Flat Coil Lock Double Torsion Spring for Door Handle

Name: Steel Flat Coil Lock Double Torsion Spring for Door Handle
Brand: Xiamen Hongsheng-Hardware Spring Co., Ltd.
SKU: 2189871485

Fujian, ChinaXiamen Hongsheng-Hardware Spring Co., Ltd.

US$0.25

500-999 Pieces

US$0.19

1,000-1,999 Pieces

US$0.16

2,000-4,999 Pieces

US$0.11

5,000+ Pieces

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1years

Warranty

1years

Model NO.

NH25007

Type

Stamping Parts

Material

Aluminum

Certification

2016:IATF16949

Color

White

Inner Diameter

20-22.5mm

Width

300-400mm

Finish

Nickel/Chrome/Zinc Plating /Beryllium Copper/Coati

Terms of Payment

T/T, L/C, Paypal, Western Union.

Quality Guaranteed

100% Responsible for Quality Problems

Application

Hardware/ Automobile/Electrommunication/ Clamp

Size

Customized

Transport Package

PE/Cartons/ Pallet/Customized

Specification

Other

Trademark

Origin

Fujian, Xiamen

Production Capacity

100000

Key features

Customized Size Options: Inner diameter 20-22.5mm, width 300-400mm, and fully customized dimensions available.

Diverse Material Selection: Available in spring steel, stainless steel, aluminum, brass, and various alloy steels.

Wide Range of Finishes: Options include zinc, nickel, chrome, tin, silver, copper, gold, Dacromet, and powder coating.

1-Year Warranty Coverage: Comprehensive 1-year warranty covering all mechanical defects and quality issues.

IATF16949 Certified Quality: Manufacturing process certified under 2016 IATF16949 standards for automotive reliability.

Custom Color Services: Pantone color matching available with custom manufacturing for any specific color requirements.

Fast Sample Production: Sample delivery completed within 3-5 working days for quick verification and testing.

OEM Manufacturer Direct: Direct supply from an OEM manufacturer with 17 years of experience in spring and stamping parts.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Xiamen Hongsheng-Hardware Spring Co., Ltd.

Fujian, China

Business Type: Manufacturer/FactoryExport Year: 2008-01-01Nearest Port: XiamenAverage Response Time: ≤4.26hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAP, CIP, Others

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and presents itself as an OEM provider serving medical, automotive, electronic, and machinery industries. It offers ODM, OEM, and flexible customization services, with raw-material traceability, quality assurance, five quality inspectors, and documented procedures for corrective actions and customer complaints. Manufacturing-related evidence includes punching, forming, and tempering facilities, but there is no valid manufacturing-capacity contract with the factory and related subcontractors. Innovation evidence is weak: no new products were launched in the past year, no product-information R&D capability is reported, and no SDK is available. Overseas support is limited, with no overseas agents or branches, warehouses, showrooms, or offline trade-show participation. Financial records are referenced for 2022–2024, but no assessable financial performance details are provided.

Supplier typeThe supplier is classified as a combined company and describes itself as an OEM provider serving medical, automotive, electronic, and machinery industries. This supports its positioning as a manufacturing and OEM-oriented supplier rather than an offshore company.

After-Sales capabilityThe supplier has documented procedures and records for handling customer complaints and corrective/preventive actions, indicating an established service-control process. However, it reports no overseas agents or branches, no overseas warehouse, no overseas showroom, and no in-stock service capacity, limiting demonstrated international after-sales coverage.

R&D capabilityThe supplier reports no available SDK, no new products launched in the past year, and no product-information R&D capability. Although it provides ODM services, the explicit evidence indicates limited demonstrated innovation output.

Production capacityThe supplier identifies punching, forming, and tempering facilities, has five quality assurance and quality control inspectors, and reports an average lead time of within 15 workdays off-season and one month during peak season. However, it has no valid manufacturing-capacity contract with its factory and related subcontractors, creating a stated production-governance deficiency.

Customization capabilityThe supplier explicitly offers flexible customization and provides ODM services, while also reporting OEM capability for popular brands. These statements directly support its ability to deliver customized and customer-specific products.