On September 1, iron ore futures prices plummeted by nearly 8%, closing at 763 yuan/ton. Steel futures prices continued to decline by 2%, with rebar dropping to 5242 points and hot-rolled coil falling to 5492 points. Throughout the day, prices fluctuated at low levels, consistently operating within a range around 5200 and 5400 yuan, temporarily breaking below the 60-day moving average. Coking coal and coke showed resilience, recovering to above 2500 yuan and 3100 yuan respectively.

How is a tapered drill rod produced?

The ML553 gold mine development project is an important component of the "Victoria Lake Industrial Park" that is a key cultivation project filed with the Henan Provincial Department of Commerce. The project is located in the Mara region of Tanzania, and is carried out by Central Plains Energy and Mining East Africa Co., Ltd. The flotation plant is designed with a production capacity of 500 tons of ore per day, and the mine service life is 7 years.

The price of tin has risen, greatly benefiting tin mining companies in our country. Taking Yunnan Tin Company as an example: the performance forecast shows that in the first half of this year, Yunnan Tin's operating performance has significantly increased, with an expected profit of 930 million to 980 million yuan, a year-on-year increase of 360.31% to 385.05% compared to 202 million yuan in the same period last year. Yunnan Tin stated that the market prices of its main products, tin, copper, and zinc, have risen significantly year-on-year, and the production and sales volumes of its products have also increased noticeably, driving a substantial year-on-year rise in the company's performance. As of the close on August 11, Yunnan Tin's stock price was 18.51 yuan per share, up 3.18%, an increase compared to the beginning of this year.

Lightweight rock drilling machinery refers to manually operated rock drilling equipment, which has a self-weight of less than 35 kg. It uses manual handheld or air leg support as a working platform, with relatively low impact power and thrust. The commonly used drill tools include hexagonal integral drill rods of H 19mm, H 22mm, and H 25mm, conical connection drill rods, as well as flat chisel drill bits of 38 to 42mm, cross drill bits, and ball teeth drill bits with four or five teeth.

On July 26, 2021, the company announced that its holding subsidiary, Laizhou Ruihai Mining Co., Ltd., obtained a mining license for the gold mine in the northern sea area of Sanshandao on July 20, 2021, issued by the Shandong Provincial Department of Natural Resources. The mining license indicates a production scale of 3.96 million tons per year, with a mining area of 5.828 square kilometers and a validity period of 15 years. The successful acquisition of the mining license marks the entry of the sea gold mine construction into a fast track of comprehensive development.

So far, the most serious threat to the global supply comes from the world's largest copper mine, Escondida. Last week, the mine voted against the final wage proposal from its owner, BHP Group. Unless both parties can reach an agreement in government-mediated negotiations this week, the project, which produced 1.2 million tons of copper last year, will face shutdown.

With the rapid development of our country's economic construction, the demand for rock drilling tools in fields such as mining, energy construction, basic engineering, and transportation development is on the rise. At the same time, there are higher requirements for the quality, variety, and performance of these tools. Therefore, it is necessary for us to understand the types of drilling tools, their usage scenarios, and market development trends, in order to produce more and better drilling tool products that meet market demands and improve the overall level of rock drilling tool products in our country.