Is the doorbell waterproof?

No, this model is not waterproof.

What are the lead times for orders?

Peak season lead time is one month, while off-season is within 15 workdays.

What payment terms do you accept?

We accept LC, T/T, D/P, and Western Union.

Mechanical Strike Ding Dong Doorbell with Transformer

Name: Mechanical Strike Ding Dong Doorbell with Transformer
Brand: HEFEI LONG RIVER ELECTRICAL CO., LTD.
SKU: 749750712

Anhui, ChinaHEFEI LONG RIVER ELECTRICAL CO., LTD.

US$0.60-4.50

3,000 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Warranty

1 Year

Type

Mechanism Doorbell

Model NO.

LRD-7A

Style

One to One

Talkback Type

Automation

Non Automation

Peephole

Without Peephole

Wireless

Wired

Application Scope

Home

Brand

Longriver

Waterproof

Not Waterproof

Power Source

Plug

OEM

Transport Package

Color Box

Specification

ABS

Trademark

Longriver

Origin

China

HS Code

85318090

Production Capacity

1000000PCS/Year

Key features

Durable Mechanism Design: Reliable operation for over 5 years with high-quality sound.

OEM Customization Available: Accepts custom designs and voice recordings for branding.

Wide Voltage Compatibility: Operates on AC 110V to 240V for global use.

High Sound Output: Delivers a clear Ding Dong sound at 85dB.

Premium Material Construction: Built with PC/ABS, Nylon, Steel, and Copper for durability.

Global Export Experience: Exported to over 20 countries since 2005.

Flexible Color Options: Available in White, Black, or customized OEM colors.

1-Year Warranty Coverage: Includes 1-year warranty for peace of mind.

Company profile

HEFEI LONG RIVER ELECTRICAL CO., LTD.

Anhui, China

Business Type: Trading CompanyExport Year: 2005-06-02Nearest Port: NINGBO, SHANGHAIAverage Response Time: ≤4.09hTerms 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.