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Shenzhen Langdeli Technology Co., Ltd.

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Performance
4.6/5
Satisfied23 reviews
  • ≤5h
    average response time
  • 94.4%
    on-time delivery rate
  • US $130,000+
    {0} orders
Minor customization
Drawing-based customization
Raw material identification and traceability
Finished product inspection
See all verified capabilities ({capacitiesNum})

Main products

Main product
Household Indoor Air Quality Monitor Greenhouse Gas Detector PM 2.5 CO2 TVOV HCHO Sensor LCD Screen Display Battery Operated
$37.50-45
Min. Order: 2 pieces
Main product
High-Precision Wall-Mounted Digital Noise Detector Temperature Humidity Meter with Electret Condenser Microphone Sound Meter
$19-25
Min. Order: 2 units
Main product
certified
Hot Selling High Quality Indoor Air Quality Monitor With CO2 Temperature Humidity Sensors LCD Display Family-Friendly Detector
$45-53
Min. Order: 2 units
Main product
certified
High Quality ABS Gas Analyzer with CO2 Temperature Humidity Sensors and Type C Rechargeable Battery Monitors Air Quality
$45-53
Min. Order: 2 units
Main product
certified
New House Indoor Air Quality Monitor Formaldehyde Detector TVOC Gas Analyzer Desktop CO2 PM2.5 PM10 HCHO Test
$46-53
Min. Order: 2 pieces
Main product
Handheld Ozone Gas Detector PM2.5 TVOC Monitor Meter Air Pollution Tester and Analyzer for O3 Concentration Measurement
$54.50-65
Min. Order: 1 piece
Easy Return
1 sold
Main product
Dienmern Ndir Infrared CO2 Ppm Meter Carbon Dioxide Air Detector Monitor Tester Analyzer Gas Analyzer for Air Quality
$20-25
Min. Order: 2 pieces
Main product
Wall-Mounted CE Certified Decibel Meter USB Chard Sound Level Measurement Noise Level Meter Testing Customizable Color Supported
$19-25
Min. Order: 2 pieces
Main product
Best Seller Wall Mounted NDIR CO2 Meter TUYA WiFi Carbon Dioxide Detector Indoor Air Quality Monitor for Chile Spain Japan
$22-30
Min. Order: 2 pieces
25 sold
Main product
certified
Portable CO2 Monitor with Wall Mount Digital Air Quality Tester NDIR Sensor Rechargeable Battery Carbon Dioxide France Spain
$20-27
Min. Order: 1 piece
Profile
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by Intertek
Overview
Company registration date2013-02-27
Floor space(㎡)8904
Accepted languagesEnglish
Years exporting11
Years in industry11
Certifications
RoHSINSPECTION_REPORTPTC2501150770...
UL2034INSPECTION_REPORTCstarZYF27UL1
CEPRODUCTPTC2401250820...
CEPRODUCTPTC2401250820...
RoHSPRODUCTPTC2401250820...
RoHSPRODUCTPTC2501150770...
RoHSPRODUCTCKEYS25021904...
CEPRODUCTCKEYS25021904...
CEPRODUCTKTi250509E294...
RoHSPRODUCTKTi250509R295...
RoHSPRODUCTKTi250530R137...
CEPRODUCTKTi250530E137...
Production capabilities
Production lines7
Total annual output (units)84720
Production machines28
Quality control
Product Support traceability of raw materialsYes
Product inspection methodInspection of all products, Random inspection, According to client's requirement
Quality control conducted on all production linesYes
QA/QC inspectors5
Trade background
Main marketsNorth America(25%), Western Europe(20%), Southern Europe(14%)
Supply chain partners102
Main client typesRetailer, Engineer, Wholesaler, Brand business
R&D capabilities
Customization optionscustomized on demand, light customization, sample processing, graphic processing
New products launched in last year91
R&D engineers11
R&D engineer education levels5 graduate, 2 technicalSchool, 4 juniorCollege
Reviews (23)
4.6 /5
Satisfied
  • Supplier service
    4.6
  • On-time shipment
    4.7
  • Product quality
    4.5
Muy útil para mí trabajo.
High Precision Ozone O3 Detector 3-in-1 Gas Analyzer 0-50ppm Electrochemical Sensor O3 Ozone Meter for Air Quality Monitoring
$43-48 / piece
my representive was very good to work with and gave great attention to detail. product delivered was in great condition and what I expected.
    Promotion with Significant Price Reduction Multi-function PM2.5/PM 10/PM 1.0 Detector TVOC CO2 Meter Grey Color
    $42-43 / piece
    See all reviews
    Video tips
    00:34
    rechargeable lithium battery 1500mah
    00:33
    Detect Range: 0.00~1.9g/L (0.00~0.20%BAC) Alcohol sensor type : Semiconductor
    00:41
    CO, Temperature, Humidity
    00:30
    Timer Wall mounted with remote control
    00:40
    RAM Storage：64 GB/128 GB
    00:37
    CO, Temperature, Humidity
    00:28
    it is a CO2 METER , Colorful screen display . 3 in one .
    00:44
    rechargeable lithium battery 2000 mah
    View more