Really 4 K 55 Inch Digital Signage with 500 Nits Brightness

Name: Really 4 K 55 Inch Digital Signage with 500 Nits Brightness
Brand: Shenzhen QSD Technology Co., Ltd.
SKU: 2257128065

Guangdong, ChinaShenzhen QSD Technology Co., Ltd.

US$386.00

1-9 Pieces

US$363.00

10-14 Pieces

US$340.00

15+ Pieces

Sample price:US$386.00/piece.Request sample

Product profile

Customization

Available

Screen Size

≥28"

Application

Indoor, Computer, Advertising, Big-Screen Project

Model NO.

QDB55B

Aspect ratio

16:9

Feature

Touch Display, LED Backlight Display, With Remote Control, Support TV Function

Optimum Resolution

3840x2160

Type

Widescreen

Response Time

2ms

3D

Interface Type

HDMI

Screen Luminance

350CD/ M2± 30, 350CD/M2 ± 30

Perspective (H/V)

178 °, 178 °

Colour

Black

Customized

Touch Screen

Optional

Installation

Wall-Mounted

Screen Technology

LCD

OS

Android or Window

Remote Control

with Remote Control

Transport Package

Carton Box, Wooden Frame / Case, Flight Case

Specification

55inch

Trademark

QSD

Origin

China

HS Code

8521909090

Production Capacity

9000 PCS/ Month

Company profile

Shenzhen QSD Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Months CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤4.58h

AI-Powered supplier vetting

SummaryThe supplier shows broad customization, R&D, ODM, and OEM capabilities, including evidence of new products in the past year and OEM service for known brands. Its stated business scope covers display devices, electronics, audio-visual products, household appliances, technology promotion, and import/export activities. However, service-management controls are weak: no written procedures or records are reported for service assessment, corrective/preventive actions, or complaint handling, and supplier approval records lack signatures or dates. Financial information reports zero revenue, costs, profit, and certain financial ratios for the stated periods, limiting evidence of financial credibility. Overseas service infrastructure is also limited, with no overseas showroom, agents, branches, or offline trade-show participation. Finished-product inspection is performed by packing staff, while export experience is stated as three months.

After-Sales capabilityThe supplier reports no written procedures or records for effective service assessment, corrective and preventive actions, or complaint handling. It also has no overseas showroom, overseas agents or branches, and no offline trade-show participation; training is the only stated overseas service offering. These are explicit weaknesses in documented and overseas service infrastructure.

Financial creditThe stated financial records report zero operating revenue, operating cost, gross profit, operating profit, and several financial ratios for the listed one-, two-, and three-year periods. Regardless of the reason, these figures provide no positive evidence of operating scale or financial strength and indicate a material credibility concern.

R&D capabilityThe supplier states that it had new products in the past year and provides ODM services, indicating some product-development capability. However, it reports no available SDK, so innovation support is positive for product design but limited for SDK-based development.

Production capacityThe supplier states that it provides OEM services for known brands, which supports production capability. However, finished products are checked by packing staff, and the stated export experience is only three months; the slices do not provide detailed production capacity, equipment, factory scale, or quality-system evidence.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. Both relevant slices consistently support broad customization capability.

Client casesThe supplier states that it provides OEM services for known brands, which is evidence of at least one category of customer experience. No specific brand names, project descriptions, order records, or other verifiable customer cases are provided, so the depth of its customer track record remains unconfirmed.