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Waterproof Wired Voice Intercom System for Construction Lift
US$198.00-228.00
1 Piece
Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Usage

Telephone, Workstation, Server, Mobile phone

Type

Wired

Model NO.

HC

Information content

Voice

Certification

CE, ISO

Condition

New

Frequency

3 Kinds

Quantity

Depends on Floors

Transport Package

Carton Box

Specification

the phone is 200*120*50mm

Trademark

STRONG

Origin

Shanghai

HS Code

84313900

Production Capacity

30000 Pieces/Year

Key features

OSHA Recommended Safety: Industry standard for construction hoists, recommended by OSHA in USA, Canada, and Australia.
Crystal Clear Communication: Provides clear voice intercom to enhance worker safety and reduce emergency response time.
No RF License Required: Uses protection loop line transmission without electromagnetic pollution, avoiding radio frequency applications.
3 Frequency Options: Supports 250KHz, 741KHz, or 800KHz channels to prevent interference in intensive construction areas.
Emergency Alarm Function: Equipped with emergency alarm switches on all units for immediate worker-to-operator contact.
Durable & Weatherproof: Heavy-duty composite Nylon Plastic enclosure operates reliably in extreme weather conditions.
Safe Low Voltage Power: Powered by safe 24 volts DC with backup battery supply for the Car unit.
Customizable Frequency: Frequency is customizable with 3 kinds available depending on the number of floors.

Company profile

Shanghai Strong Engineering Construction Co., Ltd.
Importers and ExportersYears of Export ExperienceSelf-brandedExhibition Experience
CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShanghai Strong Engineering Construction Co., Ltd. is a China-based trading company established in 2014, focused on lift accessories and related construction machinery, mechanical, electrical, and hardware products. The supplier reports five employees, overseas service limitations, no overseas warehouse, showroom, agent, or branch, and participation in bauma China. It offers customization from samples and designs but does not provide private mold development, 3D software design, ODM, OEM for popular brands, or SDK support. Product information indicates new products were developed during the past year. Service procedures and corrective-action records are documented, although the approved supplier list lacks signatures or dates. Audit information identifies TÜV Rheinland, but the evaluation result is recorded as 0 and the stated report validity ended on 2025-08-12. Production capacity, financial credibility, and customer case evidence remain insufficient for firm conclusions.
Supplier typeThe supplier is identified consistently as a trading company and limited company, with no larger-company group affiliation. Its stated scope covers lift accessories and a broad range of construction machinery, mechanical, electrical, metal, hardware, rubber and plastic, and automobile-related products.
After-Sales capabilityThe supplier reports written procedures and records for service-capability assessment, a corrective and preventive action mechanism, and ten qualified service-capability suppliers. It lacks overseas warehouses, showrooms, agents, and branches, although it has participated in bauma China and reports lead times within 15 workdays.
R&D capabilityThe supplier reports having launched new products during the past year, indicating some product-development activity. However, it does not offer ODM, private mold development, professional technical-supplier R&D, 3D software design, or SDK support.
Customization capabilityThe supplier explicitly offers customization from samples and designs. However, it does not provide private mold development or 3D software design services, so customization appears available in defined forms rather than as a full design-and-development service.

Product Q&A

Q:Is this intercom system suitable for construction elevators?
A:
Yes, it is specifically designed for construction and temporary hoists/elevators and is recommended by OSHA.
Q:Does the system require radio frequency licensing?
A:
No, it uses a protection loop line for signal transmission, so no radio frequency application is needed.
Q:What are the available frequency channels?
A:
The system supports three frequencies: 250KHz, 741KHz, or 800KHz.
Q:What is the effective range of the intercom?
A:
The effective range is more than 300m, provided the conductor loop resistance is less than 600 ohms.
Q:What power supply does the system use?
A:
It is powered by safe 24 volts DC, with a backup battery supply for the Car unit.

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