The Himalayas, the highest mountain in the world, locates on the border between the Tibet Autonomous Region and Pakistan, India, Nepal, Bhutan and other countries. Its Sanskrit name is hima alaya which means the hometown of snow. 

Darts, one of the most common hidden weapons on the ancient Chinese battlefield, was said to have originated in the Western Regions. In the Northern Song Dynasty, the monk Xing Yuan from Sichuan fortunately got this technique and then passed to the Central Plains.

According to research statistics, the export volume of tungsten products in China increased gradually from 2015 to 2017. In 2017, the export volume of tungsten products in China was 29,532 tons, a year-on-year increase of 31.4%. From January to July 2018, China's export volume of tungsten products was 18,523 tons, a year-on-year increase of 3%

"As for medium speed wire cutting machine tool, the cutting speed, machining accuracy and its price are all at the middle level so that most enterprises will choose it as their machine tools. To be more specific, in fact, the cutting speed of WEDM-MS machine tool is not slower than that of the WEDM-HS machine tool, but higher than that of the WEDM-HS machine tool.