Chinese mobile brands including Huawei, ZTE and Gionee are displaying their latest technology at the Mobile World Congress in Barcelona, Spain.
Huawei has unveiled its wearable devices, including smart earphones and its first smart watch.
ZTE's displays in Barcelona are focusing on smartphone security.
The company has also launched Grand S3 smartphone.
It includes an iris scanning device for security.
Gionee Communication Equipment is showcasing its new S7 smartphone at the event.
The device is only 5.5 millimeters thin.
Gionee CEO Lu Weibing.
"We had a small booth three years ago when we first came here. Now, we have a much larger booth and are able to hold a product release conference. I think it not only shows the progress of Gionee, but also the combined growth of the entire Chinese technology sector over the past few years."
Other Chinese mobile companies such as HTC and Meizu are also present in Barcelona.
This year's Mobile World Congress runs until Thursday.
