Processing advantages, obvious super-hard material tool…

Abstract In recent years, with the continuous development of cutting workpiece materials, especially the emergence of some difficult materials, superhard material tools have been more and more widely used, the number, scale and manufacturing level of domestic superhard material tool manufactu[…]

Brief introduction to the quality of spring steel bar m…

The effect of size and size In the 25 complaints of unexplained fracture failure, most of them focused on large-size wire rods ><11mm, indicating significant dimensional effects. The large-size wire rod processing state is hard, the uniformity of the structure and the proportion of the sorbi[…]

Machine tool industry: waiting for the industry to full…

Abstract The development of China's machine tool industry lags behind the development of the industry. It is concentrated in the middle and low-end products, the technology level is backward, the high-end products still need to be imported, and the whole industry is in urgent need of prod[…]

Iron ore price: old injury under the new height

Abstract In the beginning of the new year of 2011, the spot price of iron ore broke through 190 US dollars / ton, setting a record high for the year, and it is very likely to break the $200/ton mark this week. The iron ore spot transaction price has a record high of $205/ton, which is... At […]

Analysis of the advantages and disadvantages of various…

Recently, solid wood furniture has become more and more popular among consumers and has become the scent of the furniture industry. The solid wood furniture market is very concerned about consumers. First, oak furniture Oak furniture is more common in the market, divided into red oak and whi[…]

Using fertilizer to promote the transformation of cotto…

Recently, when I went to the cotton area to investigate the current cotton growth situation, I found that many cottons have appeared prosperous: cotton seedlings have 7 to 8 true leaves, sparse stems are sparse, and the main stem epidermis is more than 70% green , red is not Up to 30% , the upper l[…]

Laizhou: China's largest marble and granite produci…

Abstract As the hometown of stone in China, Laizhou is also the largest stone processing and export base in northern China. It is famous for its rich stone production at home and abroad. The city has abundant reserves of stone resources and is one of the largest granite and marble producing a[…]