The choice of machining options for machining

An ordinary supermarket generally uses about 48,750 units for about 35 kinds of canned beans, but a tool company has 40,000 tools with only English specifications! From the digital comparison, it can be seen that choosing the canned beans is a breeze compared to selecting the most suitable .......

The price of ammonium ammonium nitrate in Germany fell in mid-April


In mid-April, the price of ammonium ammonium nitrate in Germany showed a downward trend, while the rest of the market remained stable.

CIF price: Compared with the first ten days of April, Germany has 270-289 euros (ton price, the same below), the high-end price has dropped by 1.......

Fu Shili's new masterpieces are unveiled

In this update, most of the hardware products focus on the ultimate luxury design and elegant aristocratic temperament. They are integrated into the romantic and artistic style of European and American traditional styles, carefully crafted, and strive to achieve elegant cohesion, creating n.......

Sound Absorption Board Sound Absorption Principle and Application

Sound absorption is the phenomenon of energy loss after a sound wave impinges on the surface of a material. Sound absorption can reduce the sound pressure level in a room. The index describing the sound absorption is the sound absorption coefficient a, which represents the ratio of the sound e.......

The cost and profit of aluminum-plastic separation

[China Aluminum Network] At present, there are many aluminum-plastic composites on the market, so aluminum-plastic separation has become a hot spot for investment. However, many investors have found that profits are limited or unprofitable, and even lose money. Discussion.

1. Alumi.......

The main problem of cast steel valves

The main problems of the cast steel valve The main problems in the valve market are as follows: 1. Some operators purchase valves with no factory name, print famous brands and certificates of well-known m.......

Stainless steel features

Stainless steel is classified into austenitic stainless steel, ferritic stainless steel, duplex stainless steel, martensitic stainless steel, and precipitation hardening stainless steel according to its structure.

Austenitic stainless steel

Austenitic stainless steel is the mo.......

Tapping difficulties and solutions

When it comes to difficult processes in processing, tapping should fall into the most difficult category. In general metal processing, it is usually the rapid removal of metal and the formation of a smooth .......