DDMALL focus on designing, researching, developing and manufacturing effective and efficient video solutions to encode, stream, transmit video signal and play high resolution video including 4K UHD. DDMALL’s product line includes HDMI over CAT extenders, HDMI over IP extenders, wireless HDMI extenders, HDMI encoders and decoders, etc. Our products are widely used in versatile application environment, including business, education, entertainment, government, worship, collaboration, security, transportation and healthcare.

With rich experience and professional R&D team, we have dozens engineers who have rich experience in AV industry field. We are committed to providing our customers with top quality and innovative products. Besides, we also provide OEM/ODM services. All our works got high remarks from our customers. We can develop unique and novelty products time to time for what you want.

We have exported our products to many countries and regions all over the world. All of our products have earned an excellent reputation among our customers across the globe.

DDMALL regards “reasonable prices, credible quality and good after-sales service” as our tenet. We hope to cooperate with more customers for mutual development and benefits. If you are interested in any our products or would like to be our b usiness partner, please feel free to contact us.




Research & Development


Since founding, we focus on key technology R&D in order to provide our customers with the most innovative products and solutions.

We are committed to developing the latest signal processing technologies including 4K, 8K and H.265. In 2014, we successfully launched a series of 4K-enabled products. The refresh rate is 60Hz and the chroma sampling up to 4:4:4. The performance is demonstrably superior to the industry standard.

We have continuously been working on the development of 8K UHD and H.265 encoding technology since the beginning of 2016. Nowadays, we have dozens of core technologies for signal processing. These core technologies had been maturely applied to the batch production.

We are providing one-stop ODM service. We focus on providing customers exactly what is needed to meet each project's unique requirements.




Quality Policy


Using the best design, best material and best technology and providing the world with acceptable products is our philosophy and survival bottom line of products, and it is also our promise to customers, cooperators, and world's video products. It guides the development direction of our products. From past, nowadays to future, we believe in this philosophy all the time, and we try our best to be a conscientious professional video company.


International top companies provide materials and solutions

International top companies provide materials and solutions


Product and manufacture certificates: ISO, CCC, FCC, CE,

ISO certification

CCC certification

FCC certification

CE-EMC certification

CE-LVD certification

UL certification