15 12月
The " gap between the two thousand years " can be regarded as a big chess in the political history of our country . It is not only Chu and Han , but also...
Monthly Archives: 十二月 2019
15 12月
The "four factory one house" of the new China Tool Industry. precision CNC machining. Before the founding of new China, there was no independent tool industry in China. There were only a few small workshop...
15 12月
You should pay attention to the following items when you drop the machine. service metal fabricating. First, preparatory work: The foundation meets the required foundation according to the foundation map, which is enough to support the...
14 12月
Abstract: Aiming at the common air volume in the production process of cast aluminum piston, the shrinkage defect types were analyzed briefly, reveals the main causes of the defects and solutions. precision sheet metal. For...
14 12月
Headlamp frame The front light frame of the car is usually coated with thermoplastic plastic. The common materials are PC, PBT, ABS and so on. fabricated metal products Rearview mirror + body decoration Automotive materials require high...
14 12月
In the United States, a poor and impoverished young man, even though he didn't put all his money together enough to buy a decent suit, he still wholeheartedly adhered to his dream: to be...