What is the maximum load capacity?

The device supports a load capacity of 1000kg, suitable for 11-20 persons.

How does the self-closing mechanism work?

It uses a common weight self-closing type, with weights located on each side of the landing door device.

4-Leafs Center Opening Landing Door Device Fireproof Type

Name: 4-Leafs Center Opening Landing Door Device Fireproof Type
Brand: Shanghai Sunny Elevator Co., Ltd.
SKU: 2210901825

Shanghai, ChinaShanghai Sunny Elevator Co., Ltd.

US$500.00-1,200.00

10 Pieces

Product profile

After-sales Service

with

Warranty

12 Months

Type

Elevator Door System

Model NO.

SN-DM-OCM202

Suitable for

Elevator

Load Capacity

1000kg

Persons

11-20

Speed

1.00-2.00m/s

Drive Mode

Control Type

Microcomputer Frequency Control

Lift Mechanism

Telescoping Lift

Use of Occasions

Public Traffic

Guide Rail

Hollow Guide

Votage

≤ AC230V,≤ DC110V

Jj

1200~3000mm

Installation Method

Fireproof Type/Fireproof Adiabatic Type

Product Name

Center Opening Landing Door Device

Transport Package

in Carton Box

Specification

CE, ISO9001, CCC

Trademark

Sunny

Origin

Shanghai China

Production Capacity

5000 PCS/ Month

Key features

Fireproof Certification: Qualified by GB/T27903-2011 E120 and El120 fireproof door certificate.

Safety Hook Design: Prevents collision and fall off, passed 45kg soft pendulum test per GB/T7588.1/2.

Anti-Clamping Protection: Door automatically restarts upon contact, ensuring safe closing process.

Multiple Certifications: Holds CE, CU-TR, and NATIONAL ELEVATOR INSPECTION CENTER certifications.

Self-Closing Mechanism: Uses common weight self-closing type located on each side of the landing door.

Flexible Customization: Supports customization from samples, designs, and minor adjustments.

High Load Capacity: Supports 1000kg load capacity for 11-20 persons.

12-Month Warranty: Comprehensive 12-month warranty coverage with after-sales service support.

Company profile

Importers and ExportersIn-stock CapacityR&D CapabilitiesDigital Management Enterprise

Shanghai Sunny Elevator Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 16 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤7.18h CertifiedTerms of Payment: T/T, LC, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company selling electronic products, mechanical equipment, and accessories, with import and export capabilities. It reports inventory capacity, four production lines, broad export-market coverage, and an off-season lead time within 15 workdays. Customization is available from samples and designs through full customization, but there were no new products in the past year, no ODM service, and no SDK availability. Overseas service infrastructure is limited: no overseas warehouse, showroom, agents, branches, or offline trade-show participation. ERP-based digital process management is reported, while no fixed-source pollution registration or factory environmental impact assessment report is available. Evidence is insufficient for certification holding, financial credibility, and customer cases.

Supplier typeThe supplier is explicitly classified as a trading company whose scope covers sales of electronic products, mechanical equipment, and accessories, together with import and export of goods and technology. This indicates a trading-oriented business model rather than a clearly identified manufacturer.

R&D capabilityThe supplier offers multiple customization modes, but reports no new products in the past year, no ODM service, no SDK, and only three years of total R&D engineer experience. ERP integration and digitalization initiatives are reported, but the explicit product-development evidence indicates limited demonstrated innovation.

Production capacityThe supplier reports inventory capacity, four production lines, an annual output range, broad export-market coverage, and an off-season lead time within 15 workdays. However, the peak-season lead-time entry is mixed and unclear, and the supplier is classified as a trading company, so the full scale and reliability of its own production capability remain only partially established.

Customization capabilityThe supplier explicitly supports customization from samples, designs, minor customization, flexible customization, and full customization. This is direct evidence of broad customization availability, although the limited stated R&D experience may affect complex development projects.