日本a级一区二区三区免费的视|亚洲A区高清无码在线观看|久久久AV无码AV天堂|午夜福利在线观看网站

Copper alloys are widely used in daily life and are of great help to the electrical and transportation industries. Let's take a look at the casting process and methods of copper alloys in daily life. The following mainly introduces several common methods: 1. Vertical semi continuous casting, also known as vertical dire……

On November 8th, foreign media reported that according to a satellite monitoring data released on Friday for copper factories, the main reason for the increase in global refined copper production in October was strong smelting activities in China. Earth-i, a UK based company focused on geospatial data, launched the SAV……

Summary of SMM Copper Morning Meeting on November 5th: The supply of scrap copper is tightening, and the price difference of refined scrap remains low

The casting industry is a labor-intensive and primarily labor-intensive industry. As various manufacturing industries begin to use industrial robots for operations, the casting industry will also apply industrial robots. During production, industrial robots can grab casting molds, which are then dipped in slurry, sandb……

The current foundry has no profit, and the life of the foundry is not easy. Almost all foundries are facing the dilemma of transformation and shutdown. The unfair long-term payment method of casting enterprises at present makes it difficult for them to collect payments. Since the beginning of the year, many foundries h……

Industry analysts and managers say that the recent decline in copper prices may curb investment in new copper mines, a trend that could lead to a large-scale shortage of copper supply in the coming years, which is crucial for manufacturing and renewable energy projects. Due to concerns about trade tensions weakening th……

The further narrowing of the decline in benefits in the non-ferrous metal industry from January to May is due to the Ministry of Industry and Information Technology's raw materials. From January to May 2019, the overall operation of the non-ferrous metal industry was stable, and the decline in benefits further narrowed……

2020 China (Shanghai) International Casting Exhibition Time: May 25-27, 2020 Location: Shanghai Everbright Convention and Exhibition Center [Exhibition Introduc……

Since the beginning of this year, in the increasingly complex domestic and international development environment, the mechanical industry has been under pressure to move forward. At the beginning of the year, production and sales continued the downward trend of the previous year, with a certain rebound in March and flu……

Environmental inspections have affected various industries in the industrial sector, and the casting industry is also unable to escape this disaster. Recently, strict environmental inspections have swept across major cities across the country, causing many small and medium-sized foundries to pay a painful price of shut……

There is still a downward risk in the current domestic economy. The process of China US trade negotiations determines the magnitude of domestic policy adjustments. If external pressure weakens, the domestic momentum will decrease, while if external pressure increases, the domestic stimulus will be strengthened. It is e……

The first China International Copper Market and Development Summit Forum, co hosted by the International Copper Association and Jiangxi Copper Group and supported by the Shanghai Futures Exchange, will open in Shanghai on April 20th. The forum will be themed "Copper Industry for 70 Years, Casting the Chinese Dream Toge……