CH340E CH340C CH9340C USB to TTL module can be used as a PROMINI downloader

To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.

Established in 2008, Umean Technology is a manufacturer and international trader, specialized in the research, development and production of electronic components. We are located in China ShenZhen, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.

1. who are we?
We are based in Guangdong, China, start from 2014,sell to North America(30.00%),Mid East(30.00%),Southeast Asia(25.00%),South America(15.00%). There are total about 5-10 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
IC, Module, MCU, Components

4. why should you buy from us not from other suppliers?
Timly Reply : all the require will be reply within 1 hours during the working time
Fast Delivery: all the parcel in stock will be delivery within 1-3 working hours
Large stock : all kinds of electronic components will be found from umean
Professional !!

5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW,Express Delivery；
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,MoneyGram,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,Portuguese