What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

How do you guarantee quality?

We always provide a pre-production sample before mass production and conduct a final inspection before shipment.

What is the lead time for production?

The average lead time is within 15 workdays for both peak and off seasons.

North American Square Locks Brass Cylinder Deadbolt Heavy Duty Front Door Locks

Name: North American Square Locks Brass Cylinder Deadbolt Heavy Duty Front Door Locks
Brand: Fujian Chainfun Electronic Technology Co., Ltd.
SKU: 2009926305

Fujian, ChinaFujian Chainfun Electronic Technology Co., Ltd.

US$8.00

100-499 Pieces

US$7.80

500-999 Pieces

US$6.80

1,000-9,999 Pieces

US$6.00

10,000+ Pieces

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Free Spart Parts

Warranty

12 Months

Model NO.

D112ORB

Material

Zinc Alloy

Type

Electronic

Style

European

Shape

Stay Locked

Anti-theft Standard

Part

Lock

Backset

60mm

Door Thickness Fits

1-3/8"(35mm) to 1-3/4" (45mm)

Lock Cylinder Length

70mm

Usage

Household Door Locks, Bedroom

Function

Et,Bk,PS,St,Cl,Ht,Dm

Transport Package

Standard Export Packing

Specification

30X14X20 cm

Trademark

ChainFun

Origin

Fujian, China

HS Code

8301400000

Production Capacity

200000

Key features

Heavy Duty Construction: Made of Zinc Alloy, Stainless Steel, Brass, or Iron for durability.

Long Lifespan: Tested for 200,000 life cycles to ensure long-term reliability.

Wide Color Options: Available in SS, SN, AB, AC, ORB, PB, CP finishes.

Flexible Customization: Supports full, minor, and flexible customization from designs or samples.

Quality Assurance: Manufactured under ISO9001:2015 with pre-production samples and final inspection.

Versatile Application: Suitable for Home, Hotel, Office, and School doors.

Low MOQ: Minimum Order Quantity is just 1 Pc for easy testing.

Fast Lead Time: Average lead time within 15 workdays for both peak and off seasons.

Company profile

High Repeat Buyers ChoiceCustomization from SamplesR&D CapabilitiesDigital Management Enterprise

Fujian Chainfun Electronic Technology Co., Ltd.

Fujian, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤4.13h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryFujian Chainfun Electronic Technology Co., Ltd. is a China-based limited trading company established in 2019 with nine employees. It reports professional technical R&D capability, customization from designs and samples, and annual smart door-lock productivity of 200,000 sets. However, it does not provide 3D software design, ODM, SDK, or popular-brand OEM services, and reported no new products in the past year. Export sales are stated at 90%, with six years of exporting experience, but another record states that no valid import/export license is held. Service-quality controls are weakly documented: complaint handling and corrective/preventive actions have no written procedures or records. The supplier has no overseas warehouses, showrooms, agents, branches, or offline trade-show experience. No certification, financial-strength, or customer-case evidence is provided.

After-Sales capabilityThe supplier has no overseas warehouse, showroom, agent, or branch, and has not participated in offline trade shows. Its complaint-handling and corrective/preventive-action mechanisms have no written procedures or records, although relevant service-capability records exist; this indicates a documented-service weakness.

R&D capabilityThe supplier is described as having professional technical R&D capability and offering multiple customization modes, but it reported no new products during the past year and does not provide ODM services, SDK availability, or 3D software design services. The evidence therefore shows technical capability but limited recent product-development breadth.

Production capacityAnnual productivity is stated as 200,000 smart door-lock sets, with peak- and off-season lead times both within 15 workdays. However, the company is classified as a trading company, and the slices do not establish whether this capacity is owned manufacturing capacity or supplied through partners.

Customization capabilityThe supplier explicitly offers full, minor, and flexible customization, including customization from customer designs and samples. This is consistent across the R&D and design-service records and demonstrates broad stated customization support.