China's large-scale environmental rectification measures led to a rise in tungsten prices in 2017 and early 2018. As many tungsten mining companies were forced to stop production, European FOB-APT prices reached a peak of US $ 352 per metric ton in June 2018.
The main problem that may occur during the milling process is the possibility that chips may choke the tool. If a milling cutter is finally choked, it cannot carry out chips any more and the feeding force of the spindle will break it.
Forging can be divided into free forging, die forging, rolling ring, special forging.1. Free forging. Refers to the processing method of forgings that use simple universal tools or directly apply force to the billet between the upper and lower anvils of the forging equipment to deform the billet to
Non-ferrous metal industry, as an important pillar industry of national economic development, has a wide range of terminal demand. Metal products such as copper and aluminum mainly involve infrastructure real estate, automotive home appliances, power cables and other industries
China has developed the first domestic G6 generation ultra-large size high-end molybdenum target with completely independent intellectual property rights, and achieved mass production in this quarter.
Opening this week, the tungsten price in China remained weak adjustment as traders were active in selling products, but buyers still took a watchful stance. The whole market is quiet with rare transactions concluded.
Sand casting is a method of obtaining a casting by pouring molten metal into a sand cavity, cooling and solidifying. When the casting is removed from the sand mold, the sand mold is destroyed, so it is also called one-time casting, commonly known as turning sand.