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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: langder
  • Model Number: T105A
  • Detecting Gas: HCHO,TVOC
  • Product Name: Handheld HCHO Smart Air Quality Detector
  • Lcd Screem: 2.8" 320*240Pixels
  • Sensor type: Electrochemistry
  • Power: 1000mA
  • Battery Capacity: Built-in Li battery
  • Rated Input: 5V/1A
  • Charging Time: 2-3 Hours
  • Colors Available: Blue,Black

Packaging & Delivery

Packaging Details Color Box Packing/Opp Bag
Delivery Time Sample:2-5working days /Bulk order:10-25working days
Product Description
 

Pictures Show

 

Packaging & Shipping

 

Our Services

If you have any other questions,please contact with me!

 

1.We provide OEM and ODM service.

 

We promise 1 year warranty for genuine quality defects.

 

2.We're long-term or regular suppliers of well-known brands

 

Critical quality control  
a: Incoming material checking       
All casing must be sorted before in production line;
Controller, crystal ocsillator must be inspected and tested by AQL level before incoming;
battery must be full tested before mounting;


b: Online inspection  mini bluetooth speaker
Online inspection to the printings, package;
Full inspection of rechanging, discharging, aging test to the battery cells.


c: Final inspection/ pre-shipment inspection
Casing came apart. Failed to mount. Corrupted contents will be picked;
bad battery will be sorted and returned to the suppliers;


d: Besides running these benchmarking tests, to make sure the product's longevity, durability, manufacturer's reputation, we have a record on different vendors writing  down their fail percentages and spotted the excellent suppliers.

 

Good service:
a:On production, we take photos each procedure of production and report to you, thus you'll control your goods even in overseas.   

 
b:On shipment, we send screenshot to report the test report, we send photos of carton package, weight measurement to show you clearly about the goods condition. after shipment, we tracking the courier all the way till it's safety delivery.


c:Efficient feedback:any questions or needing, you'll be replied within 24hours no matter we can or cannot;


d:Win-Win transaction:our professional customer representatives dedicated to make each potential client to experience an enjoyable buying trip.

 

 

 

 

Company Information

Shenzhen Langder Technology CO.,LTD ,an integrated enterprise of research and development, 

production and sales,is located in the economic zone of Shenzhen,which covers a space of 1000 square  meters large.

We are the professional manufacturer who specialize in Popular promotional Electronic technology gifts, Wearable products, Electronic wearable products , Smartphone accessories , Car accessories ,Season products ,home products . 

We have done business with large Company like Vtech, Hama , Tesco , Amazon , Volkswagen, KFC , Disney.....You can find our products selling on supper market such as Walmart . 

 

We have good busines and markets Europe,America,middle east and Australia, Chile from South America , Malaysia,Singapore .

 

We always belive that : Quality , Sevices , Details determine sucess and failure.

 

 

 

FAQ

1.What is the sample policy ?
Samples are avaible
Sample policy: Buyers need to pay the sample fee and ship cost .

2.Genaral OEM request :
Customize Logo and OEM Package when mass production are available .
If buyers want to do OEM logo or package in the samples production , need
Extra USD30 for the logo , and USD 50 for the package .but which can be refunded in the
First order .

3.What is the payment term ?
T/T (Bank transfer ): 30% deposit and balance after inspection before delivery.
PayPal only for samples
Western Union for samples or orders

4. What’s the Warranty of Your Products?
12 months

 

Contact

 

Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview

Transactions

Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
3 Transactions 1,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $27,000
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