2019-12-17
Threaded connection drill rod is also called threaded connection drill rod, hydraulic drill rod, hydraulic drill rod, heavy drill rod, heavy drill rod. Threaded drill rod is connected with the drill tail, hydraulic rock drill and threaded drill bit, the impact of the hydraulic rock drill and rotary force transmitted to the threaded drill bit broken rock of a rock drilling tool.
2019-12-09
Reaming drill bit is also called reaming guide bit. The product is used to cut out the center hole in the roadway excavation and rock drilling operation. The reaming guide bit is divided into one-piece reaming guide bit and split reaming guide bit. The split reaming guide bit is composed of reaming guide and reaming drill bit.
Review 2019, Outlook 2020-Global Copper Mine Expansion Plan
2019-12-03
According to Mymetal statistical analysis, the tension on the supply side of global copper mines since 2019 has come mainly from the strike riots in South America and the conversion of Grasberg projects to underground operations in Indonesia. The 2019 copper mine expansion plan is expected to add a total of 300000 tons of copper concentrate (containing copper). In 2020, the expansion of copper mines in the Mymetal statistics is expected to add 40-500000 tons of copper concentrate capacity (including copper). With the release of new capacity in 2019, the tight supply at the copper end is expected to ease.
From January to October, the total profit of mining industry increased by 2.4
2019-12-02
According to the latest data released by the National Bureau of Statistics, from January to October, the total profits of industrial enterprises above the national scale reached 5015.1 billion billion yuan, down 2.9 percent from the same period last year. Among them, the mining industry realized a total profit of 472.13 billion billion yuan, up 2.4 year on year.
Create ecological green mine with excellent technology
2019-12-02
In 2015, the Donggou molybdenum mine project designed by China Enfei was officially put into operation. The production process is stable, the product quality is reliable, the energy consumption and material consumption are lower than the design value, and the overall technology has reached the international advanced level. In 2017, Donggou Molybdenum Mine passed the on-site inspection and professional evaluation of national green mines, and became a large-scale, high-efficiency, low-consumption and environmentally friendly green intelligent mine model in the industry.
2019-12-02
On November 14, 2019, the Liaoning Provincial Staff Skills Competition Milling Skills Competition opened in Liaoning Toyota Jinbei Technician College. 40 master millers from 12 cities in the province will compete in the finals.
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