What certifications does the lock have?

The product is certified with RoHS and CE standards.

What types of doors can this lock be installed on?

It fits door thicknesses of 38-55mm and supports both left and right door swings.

Security APP Electronic Smart Lock Biometric Password Fingerprint Code Room Door Lock

Name: Security APP Electronic Smart Lock Biometric Password Fingerprint Code Room Door Lock
Brand: Fujian Chainfun Electronic Technology Co., Ltd.
SKU: 2063469575

Fujian, ChinaFujian Chainfun Electronic Technology Co., Ltd.

US$49.00

20-99 Pieces

US$48.00

100-199 Pieces

US$47.50

200-499 Pieces

US$49.00

500+ Pieces

Sample price:US$70.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Free Spart Parts

Warranty

12 Months

Model NO.

Customized

Certification

RoHS, CE

Application

Public Passage, Enterprise, Supermarket, Campus, Hospital, Warehouse, Hotel, Company, Garage, Community

Working Principle

Electronically Controlled Lock

Function

Key+Password

Type

Electric Bolt

Transport Package

Standard Export Packing

Specification

30X14X20 cm

Trademark

ChainFun

Origin

Fujian, China

HS Code

8301400000

Production Capacity

200000

Key features

Full Customization Support: Offers full, minor, and flexible customization including designs and samples.

Multi-Scenario Application: Suitable for hotels, offices, warehouses, communities, and public passages.

Robust Material Build: Constructed from durable aluminum alloy for long-lasting performance.

Flexible Backup Power: Supports Micro USB for emergency power supply when batteries are low.

Certified Quality: Complies with RoHS and CE safety and environmental standards.

12-Month Warranty: Includes a 12-month warranty with free spare parts service.

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: ≤4.17h 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.