The traditional SIM card is evolving toward a miniaturized embedded element soldered in the equipment which would replace or complement the removable SIM card.

It is the first in a series of "Totwoo Inside" 360Fash Tech Kits, wearable tech DIY kits enabling creatives to focus on design and integration as their first step into fashion tech without the need to code or solder.

According to Xu Xiaohua, IMG SMT PU director of LCFC, by replacing the high-temperature solder paste with a low-temperature alternative, the peak welding temperature has been reduced by about 70 degrees, while the energy consumption of motherboard production has dropped by about 20 percent.

As a part of Bai's job, she needs to neatly solder the heating wire of a blanket to its coupler, a key process for making the blanket heat up when it's plugged in.

In nine hours on a typical workday, she can solder connectors on about 600 electric blankets.

Electronic powerhouse in South China shifts focus to high value-added industries such as IT, biotechnologyProducing a Redmi smartphone requires hundreds of steps but it takes just a brief moment for its circuit board to be glued, soldered and packaged at Shenzhen Zowee Technology Co Ltd, a major electronics manufacturer for smartphone vendors including Xiaomi Corp, Huawei Technologies Co and Oppo.