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Smart Door Lock Cylinder with Adjustable Cylinder for Hotel and Office
US$37.00
10-99 Pieces
US$35.00
100-499 Pieces
US$33.00
500-999 Pieces
US$29.00
1,000+ Pieces
Sample price:US$70.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
Free Spart PartsWarranty
12 MonthsModel NO.
D68Material
Aluminum AlloyType
ElectronicStyle
EuropeanShape
Mortise Door LockAnti-theft Standard
APart
LockBackset
60mmDoor Thickness Fits
35-60mmLock Cylinder Length
Single Latch/5050Usage
Household Door Locks, Bedroom, Channel LockTransport Package
Standard Export PackingSpecification
240*60*21mmTrademark
ChainFunOrigin
Fujian, ChinaHS Code
8301400000Production Capacity
200000Key features
4-in-1 Keyless Entry: Supports fingerprint, PIN code, mechanical key, and Bluetooth/APP unlocking.
Tuya Smart APP Control: Manage users, fingerprints, and unlock via low-power Bluetooth communication.
Anti-Peep Password: Random digits can be entered before/after the correct code for enhanced security.
Durable Zinc Alloy: Collision proof, waterproof, and rust proof shell for long-lasting use.
Long Battery Life: Lasts up to one year on 4 AA batteries with Type-C emergency charging.
Easy DIY Installation: Fits doors 35-50mm thick; installs in minutes using existing holes.
Custom Logo Support: Customized logo services available for branding needs.
12 Months Warranty: Comprehensive 12-month warranty with free spare parts included.
Company profile
CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤4.05h 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.
Product Q&A
Q:What unlocking modes are supported?
A:
The lock supports four modes: Smartphone Tuya APP, touch panel password code, fingerprint, and mechanical keys.
Q:What is the door thickness compatibility?
A:
It fits doors with a thickness between 35mm and 50mm (some specs mention 35-60mm or 35-100mm, please verify specific model requirements).
Q:How is the lock powered?
A:
It uses 4 AA alkaline batteries for normal operation and features a Type-C charging port for emergency power supply.
Q:What safety features does the password have?
A:
It features an anti-peep virtual password system where random digits can be added before or after the correct code.
Q:What is the warranty period?
A:
We provide a 12-month warranty for all our products, including free spare parts.
Send Inquiry
*To:
Fujian Chainfun Electronic Technology Co., Ltd.
Fujian Chainfun Electronic Technology Co., Ltd.*Content:
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