About Koolertron

Koolertron is one of the leading brands for industrial equipments, consumer electronics and other electronics owned by Hong Kong Karstone Technology Co., Limited, which was established in 2009 in both Hong Kong and Shenzhen China,Due to the internal adjustment of the company, the brand has now been classified under our other company Hong Kong Ying Lian Da Trading Co., Limited. 

Koolertron is always committed to providing our customers with most up-to-date, coolest & fashionable products, great customer service, competitive prices and technical support,which make enjoyable shopping possible. We will strive to build a good reputation and become the most popular brand among customers by providing them with superior product service.


Our Strong Points


  • Our team

We have experienced technologist and management personnel, we are committed to providing best-in-class products and considerate service.

  • Our product,quality and price

Maintaining high quality standard based on favorable price, we are famous for our quality and reputation. Our rich experience in E-commerce enables us to realize the needs of the market quickly and occupy market opportunities. All of our products are brand new and strictly follow the standards of CE, FCC,and our QC team will test them carefully before dispatching.

  • Our logistic

  We have efficient and reliable logistic,with overseas storages all over the world,such as in Western Europe,America,Japan and so on.

  • Our customer service

We believe that best-in-class customer service is our best profit and reward. All of our sales and customer service representatives are well trained to provide customers with friendly and practical help with prompt response.


payoneer : hkyld2019@163.com

Contact person:songjunna    (non business)

Tel : 17098990107



Koolertron on facebook  koolertron on instagram  koolertron on youtube

Email: support@koolertron.com

After sales support

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