How long will delivery take?

Depending on the number of products and the ease of processing, we generally speed up production when we receive an order.

We are a leading manufacturer with nearly 20 years of production of hardware springs and currently have proven technology, continuous stamping parts, precision stamping parts, machined parts and components experience. We focus on creating high quality, durable, reliable hardware components to meet your unique specifications.

Custom Spring Manufacturing Double Helical Torsion Spring for Door Lock

Name: Custom Spring Manufacturing Double Helical Torsion Spring for Door Lock
Brand: Xiamen Hongsheng-Hardware Spring Co., Ltd.
SKU: 2142207275

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

US$0.68

500-999 Pieces

US$0.56

1,000-1,499 Pieces

US$0.41

1,500-1,999 Pieces

US$0.03

2,000+ Pieces

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Function

Pressed, Phonation, Buffer, Drive, Restoration, Measurement

Material

Stainless Steel

Model NO.

LH24017

Usage

Industrial, Auto, Furniture, Motorcycle

Load Type

Extension

Production Process

Hot Roll

Shape

Spiral

Cetificates

ISO:9001:2015, IATF16946:2016,BV,RoHS and TUV

Finish

Nickel/Zinc/Chrome Plated/Heat/Spaying

Size

Customized

Colour

Customized

Appliction

Medical,Automobile,Motor,Electronics and Telecommu

Transport Package

PE/Cartons/ Pallet

Specification

customization

Trademark

Origin

Fujian, Xiamen

Production Capacity

5000000

Key features

Customized Size and Color: Size and color are fully customized to meet specific project requirements.

20 Years Manufacturing Experience: Nearly 20 years of production experience in hardware springs and stamping parts.

ISO and IATF Certifications: Products comply with ISO 9001:2015 and IATF 16949:2016 standards.

OEM & ODM Services: Professional OEM and ODM customization with in-house engineering support.

Free Sample Availability: Free samples provided if in stock; otherwise, a sample fee applies.

Multi-Industry Applications: Suitable for auto, motorcycle, furniture, medical, and electronics industries.

Advanced Production Technology: Equipped with advanced technology for precision stamping and machining.

Flexible Payment Options: Supports T/T, L/C, D/P, PayPal, Western Union, and Money Gram.

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: ≤4.70hTerms 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.