What is the lead time for production?

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

Is customization available?

Yes, we offer full customization, minor customization, flexible customization, and customization from designs or samples.

What certifications does the product have?

The product has Grade 3 certification and is manufactured under ISO9001:2015 quality management system.

Double Cylinder Door Lock for Bathroom Front Door

Name: Double Cylinder Door Lock for Bathroom Front Door
Brand: Fujian Chainfun Electronic Technology Co., Ltd.
SKU: 2011033425

Fujian, ChinaFujian Chainfun Electronic Technology Co., Ltd.

US$5.00

500-999 Pieces

US$4.80

1,000-9,999 Pieces

US$3.80

10,000+ Pieces

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Free Spart Parts

Warranty

12months

Model NO.

K002

Material

Brass

Type

Key Lock

Style

Modern

Shape

Finishing Up Lock

Anti-theft Standard

Part

Lock

Backset

60mm

Door Thickness Fits

35-50mm

Lock Cylinder Length

65mm

Usage

Household Door Locks, Bedroom, Channel Lock

Transport Package

Standard Export Packing

Specification

30X14X20 cm

Trademark

ChainFun

Origin

Fujian, China

HS Code

8301400000

Production Capacity

200000

Key features

Premium Material Options: Constructed from Stainless steel, Brass, Iron, or Zinc alloy for durability.

Extensive Finish Variety: Available in SS, SN, AB, AC, ORB, PB, CP finishes to match any decor.

High Cycle Durability: Tested for more than 200,000 cycles ensuring long-term reliable performance.

Flexible Customization: Supports full customization, minor customization, and design-based options.

Wide Application Scope: Suitable for apartments, hotels, offices, schools, and stores.

Quality Assurance: Manufactured under ISO9001:2015 with strict inspections before shipment.

Comprehensive Warranty: Provides 1-2 year warranty period for all products with free spare parts.

Professional R&D Team: Backed by 40 engineers and over 43 patents for continuous innovation.

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: ≤4.25h 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.