On June 9th, 2011, the 13th Chongqing International Auto Show officially kicked off, and the VOSS concept car of Chang'an was introduced. VOSS is the main design concept of this concept car. It is based on a fast-paced professional shopping mall. From the airport to the conference tab…

The weight-for-weight is the main indicator in the quality standards for wheat acquisition and transportation, and it is also an important basis for measuring the quality of other cereals. Although the size of Rongyun is currently determined in accordance with G B5498-85, H GT io…

In the past few months, the natural rubber market prices have continued to rise, causing ripple effects in related industries. The most prominent performance is that the major tire companies have joined the price increase.

How do people in the industry view the rise …

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One, PLC in the three large quantities

Nothing more than three large amounts in PLC: switch, analog, pulse. Only by clarifying the relationship between the three, you can master the PLC.

1, the amoun…

Abstract: According to the relevant national standards, it is necessary to periodically perform safety inspections of pressure piping valves. This article first described the importance and significance of safety inspections for pressure piping valves, followed by the identification and review …