Let's take a look at a group of window industry data: in 2013, the market scale of domestic door and window industry reached 458.9 billion yuan, with an increase of nearly 80 billion yuan compared with 2012; From 20

About the development and production specifications of automotive lightweight application materials On April 25, 2017, the Ministry of Industry and Information Technology, the National Development and Reform Commission,

“Operators began to make feed speed CNC machining parts transferred to the small, single section, rapid positioning, falling knife, feed must concentrate, when there is something wrong with the hand should be put o

“CNC it can be simple, accurate and rapid efficiency to achieve, in the human change the G code and control the completion of a programming language is perfect, so perfect that we book required for CNC machining co

The current new energy vehicle market is still a policy market, and the power of policy cannot be underestimated, especially the double point policy that began this year. As a baton that subsidies gradually declining, th