The 4G era is coming to the major operators to fight fiercely


Smartphones are on the rise, mobile Internet is booming, 3G subverts the business model and changes our lives, but it is only the starting point. In the 4G era, greater changes are bound to come.
More complicated changes will occur in the operator market. On January 7, 2009, China Mob.......

The concept of corn bulk density and its measuring method

Bulk weight refers to the weight per unit volume. It is generally used as a unit volume. Or, say, a liter is a unit volume. The weight of a liter of corn is called the weight of corn. The heavier the bulk density and the higher the quality, the less the pod-thin corn kernels are........

Parts and components: The gap between China and South Korea 2-3 years


South Korea’s auto parts manufacturing industry is accelerating. According to the Korea Automobile Industry Cooperative Association (KAICA), the sales of Korean auto parts will increase from US$27.1 billion in 2002 to US$34.2 billion in 2004 to US$36.4 billion this year. But can it.......