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Golden Coated Mechanical Dingdong Doorbell Chime
US$0.80-1.20
3,000 Pieces
Sample price:US$5.00/piece.Request sample
Product profile
Customization
AvailableWarranty
2yearType
Mechanism DoorbellModel NO.
LRD-7Style
One to OneTalkback Type
NoAutomation
Non AutomationPeephole
Without PeepholeWireless
WiredApplication Scope
HomeBrand
LongriverWaterproof
Not WaterproofPower Source
PlugTransport Package
Color BoxSpecification
ABSTrademark
LongriverOrigin
ChinaHS Code
85318090Production Capacity
1000000PCS/YearKey features
Durable Mechanism Design: Reliable operation with a lifespan exceeding 5 years.
OEM Customization Available: Custom designs and voice options available for OEM orders.
High Volume Export Experience: Products exported to over 20 countries since 2005.
Wide Voltage Compatibility: Operates on 110V-240V AC power sources.
High Quality Sound Output: Produces a clear Ding Dong sound at 85dB.
Durable Material Construction: Constructed from PC/ABS, Nylon, Steel, and Copper.
Flexible Color Options: Available in White, Black, or customized OEM colors.
Comprehensive Warranty: Includes a 2-year warranty for mechanical defects.
Company profile

Business Type: Trading CompanyExport Year: 2005-06-02Nearest Port: NINGBO, SHANGHAIAverage Response Time: ≤5.57hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, EXW
AI-Powered supplier vetting
SummaryHEFEI LONG RIVER ELECTRICAL CO., LTD. is a China-based limited trading company operating from Anhui, with a stated factory location in Ningbo, Zhejiang. It has self-operated import and export rights and has exported since 2005, with 71%–90% of sales reportedly from exports. The supplier covers electrical, lighting, hardware, consumer electronics, and related product categories, and reports sales to more than 20 countries and regions. Its stated operational profile includes six production lines, 6–10 quality-control staff, 6–10 R&D engineers, and peak-season fulfillment within one month. QC 080000 and HACCP are listed as management-system certifications. Evidence is insufficient to verify after-sales service, financial credibility, customization capability, or specific customer cases.
Supplier typeThe supplier is explicitly identified as a trading company and limited company based in China, with self-operated import and export rights. Its business scope spans tools and hardware, lighting, electrical and electronic products, construction and decoration, and consumer electronics.
CertificationsQC 080000 and HACCP are listed as the supplier’s management-system certifications. The provided information does not state their validity, certification bodies, certificate numbers, or applicable facilities, but it explicitly evidences certification holdings.
R&D capabilityThe supplier reports 6–10 years of total R&D engineer experience, which provides explicit evidence of an R&D resource base. The slices do not identify patents, new-product development results, design capabilities, or R&D facilities, so innovation performance cannot be fully verified.
Production capacityThe supplier reports six production lines, 6–10 quality-control staff, and fulfillment within 15 workdays in off-peak periods and one month during peak periods. A factory location in Ningbo, Zhejiang is also stated, supporting operational capacity, although the relationship between the trading company and the stated factory is not further explained.
Product Q&A
Q:What is the expected lifespan of the doorbell?
A:
The bell is designed for reliable use and can last more than 5 years.
Q:Can I customize the design or voice?
A:
Yes, any design and voice can be customized through OEM services.
Q:What voltage does the doorbell support?
A:
It supports AC 110V to 240V, making it suitable for various regions.
Q:What materials are used to make the doorbell?
A:
The main materials include PC/ABS, Nylon, Steel, and Copper.
Q:Is the doorbell waterproof?
A:
No, this model is not waterproof.
Send Inquiry
*To:
HEFEI LONG RIVER ELECTRICAL CO., LTD.
HEFEI LONG RIVER ELECTRICAL CO., LTD.*Content:
Supplier replies will be sent to your registered email
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