Is OEM/ODM available for your company?

Yes, OEM/ODM is available and welcomed. We have R&D capabilities for new molds and production.

What materials does your factory use?

We typically use Steel-Q235 and Zinc Alloy 4-1(NO.5) sourced from major suppliers in Hangzhou.

What is the lead time for samples and bulk orders?

Samples ship in 1-2 days, while bulk orders take 40-45 days.

Easy to Assemble Black Self Locking Gate Spring for Gates

Name: Easy to Assemble Black Self Locking Gate Spring for Gates
Brand: Hangzhou Jiansen Hardware Co., Ltd.
SKU: 2296387805

Zhejiang, ChinaHangzhou Jiansen Hardware Co., Ltd.

US$3.99

99-498 Sets

US$3.95

499-998 Sets

US$3.90

999 Sets

US$2.99

1,000+ Sets

Product profile

Customization

Available

After-sales Service

Online Technical Support

Warranty

1 Year

Model NO.

JL1909

Material

Stainless Steel

Type

Fence Latch

Style

Modern

Shape

Fence Latches

Anti-theft Standard

Need Lock

Part

Lock

Backset

Door Thickness Fits

35-50mm

Lock Cylinder Length

Usage

Household Door Locks

Available

Vinyl Gate, Fences, and Outdoor Doors

Color

Black, White, Accept Customization

Feature

Easily Assembled, Sustainable, Eco Friendly

Terms of Payment

T/T

OEM

Transport Package

Poly Bage+Carton

Trademark

Jiansen/OEM

Origin

Zhejiang

HS Code

8302100000

Production Capacity

5000 Sets/ Month

Key features

Adjustable Tension: Automatically closes doors and gates with adjustable tension for heavy or light use.

Complete Kit Included: Includes spring, adjusting pin, locating pins, and screws for immediate installation.

Durable Material: Constructed from Stainless Steel 304 with black powder coating for longevity.

Customization Available: Accepts customization for color (Black, White) and specific vinyl gate applications.

Versatile Application: Suitable for household doors, wooden fences, vinyl doors, and outdoor gates.

Fast Sample Delivery: Samples can be shipped out within 1-2 days after order confirmation.

OEM/ODM Service: Accepts custom logo stamping, packaging, and new mold development.

1-Year Warranty: Comes with a 1-year warranty and online technical support.

Company profile

Exhibition ExperiencePatents AwardedOverseas WarehouseStandardized quality control

Hangzhou Jiansen Hardware Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 years CertifiedNearest Port: Shanghai Port; Ningbo PortAverage Response Time: ≤0.66h

AI-Powered supplier vetting

SummaryThe supplier is a combined company with a broad hardware, metal structure, door and window, mold, mechanical component, plastic product, and furniture scope. It reports extensive customization, ODM and OEM capabilities, recent new-product development, and a substantial equipment base covering laser cutting, CNC bending, polishing, pipe cutting, punching, grinding, turning, hydraulic processing, and packaging. ISO9001:2015 and RoHS are reported, alongside documented service, corrective-action, and complaint-handling procedures. Inventory and overseas warehouse services are available, with stated lead times within 15 working days in both peak and off-season periods. However, there is no valid manufacturing contract with related subcontractors, no approved supplier list, no overseas showroom, no SDK, and no Fortune 500 customer collaboration. Financial information is insufficient for a reliable credibility assessment.

Supplier typeThe supplier is identified as a combined company and reports a broad business scope covering hardware products, metal structures, doors and windows, molds, mechanical components, plastics, furniture, and import/export activities. This indicates a diversified manufacturing and trading structure rather than a narrowly specialized supplier.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and RoHS product compliance certification. These explicitly support quality-management and product-compliance capabilities, although no other certifications are provided.

After-Sales capabilityThe supplier has written procedures and records for service assessment, corrective and preventive actions, and customer complaint handling. It also provides in-stock capability, overseas warehouse services, and stated lead times within 15 working days in both peak and off-season, but lacks an overseas showroom and has no valid manufacturing contract with related subcontractors.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and offers customization from samples, designs, and full or minor specifications. However, it explicitly has no available SDK, so the evidence supports product-development capability but not software-development integration.

Production capacityThe equipment list includes laser cutting, CNC bending and turning, automatic polishing, pipe cutting, punching, grinding, hydraulic processing, assembly, sealing, and manual and automatic packaging. Inventory capability, 15 qualified service suppliers, and lead times within 15 working days are also reported, while the absence of a valid manufacturing contract with related subcontractors is a documented limitation.

Customization capabilityBoth the R&D and design-capability records explicitly list customization from samples, customization from designs, full customization, minor customization, and flexible customization. The supplier also reports ODM service availability, providing direct evidence of broad customization support.