At present, a large number of different types of cards, certificates, and votes are used in universities and colleges. Take Northern Jiaotong University as an example, in addition to the necessary ID cards, student cards, and medical certificates for each person, there are various cards, s
The popularity of city cards has brought convenience to people's travel. It has also become an indispensable item in many people's wallets. Since various smart cards cannot be used in different fields, they bring inconvenience to cardholders. For example, different cards need to be
Editor's Note: China is a big country in coal, but at the same time, China's coal mines are also the world's most dangerous industries. The frequent occurrence of security accidents is shocking. Relevant statistics indicate that the cost of human life for each 100 tons of coal
The dry, windy spring is a period of frequent fires. Therefore, there are experts in the industry to remind consumers that they are renovating. For safety decoration and guaranteeing a good decoration effect, we must prepare for fire prevention, antivirus, and anti-deformation material in advance.
Although virtual reality technology is very hot in recent years, it faces significant problems. First of all, the virtual reality helmet is so cumbersome that it looks stupid to wear it. Secondly, what you see does not match what you feel, and there is another problem that exa
From January to August this year, Shaoxing exported 336 sets of power tools, 432,800 sets, and US$14,905,900, an increase of 22.18%, 60.53%, and 107.09% respectively over the same period of last year. It is commendable that the export unit price has been increased by US$7.74 each. It is al
Do not attach importance to the decorative hardware accessories Hardware accessories are an integral part of the curtain wall. The beauty of the appearance is part of the important requirements for curtain walls. Some people think that hardware accessories can be used on the line, poor a
International thermal coal prices rose sharply, while coking coal prices fell slightly. Heavy rain caused the tight supply of thermal coal in Australia, coupled with the fall in the US dollar index, the price of thermal coal (6,000 kcal/kg) in Newcastle last week rose sharply by 5.5 US dol
You may be confused about what the “Internet of Things†is, but you have already experienced its magic in life—such as a mobile wallet. Recently, China Mobile announced that its mobile wallet business using IoT technology research and development has exceeded 100,000 cu
The main raw materials of PE calcium plastic board are resin, filler and foaming agent. It is a raw material plastic mixing machine to uniformly press out the sheet material in the mold expander to expand the heat to open the mold, the sheet material immediately expanded into calcium plast