Threaded gate valve advantages and disadvantages

Threaded gate valve advantages and disadvantages Thread gate valve has the following advantages: simple structure, manufacturing and maintenance more convenient. Small work schedule, opening and closing time is short. Good sealing, sealing surface friction, long life. Thrust gate valve shortcom

Fourth quarter iron ore price cut 13% steel prices rose again

In the fourth quarter, the price of iron ore ushered in the first drop this year. Due to the “Storm surge” of domestic energy conservation and emission reduction, domestic steel companies have reduced production, resulting in a continuous increa

Explanation on China's Energy Consumption in 2009

National Bureau of Energy National Bureau of Statistics

Explanation on China's Energy Consumption in 2009

Recently, some media reported that “China surpassed the United States as the world’s largest energy consumer in 2009â

Teach you to buy high-quality environmental protection floor

In many types of household products, our common view is: the more pure and natural raw materials, the higher the environmental performance. However, in fact, any natural material must be processed. If the method used is not environmentally friendly, it will also affect the environmental pe

Ten major anomalies of CNC wire-cutting machine tools and countermeasures

During the use of CNC wire-cutting machine tools, there are often some anomalies. I have figured out the ins and outs of these phenomena in practice. Here are listed as follows: 1. The circle is not round when a program command to cut a full circle is input, but the cut workpiece is found to b

Rectangular kitchen design points are so beautiful

In modern home design, many people want to design the kitchen into a rectangular shape, but to make the rectangular kitchen space more efficient, designing a "work triangle" is the most practical method. The refrigerator, sink, and kitchen stove most commonly used during cooking

The hardware industry is prevalent "plagiarism" When is the end?

"I am not afraid to be with you, I am afraid I can't keep up with your steps." This sentence is very appropriate to describe the corporate voice of relying on "copying" others' design results. For enterprises that do not have research and development strength, as