On October 9th, Chairman of the Board of Directors of Volvo Group, Svanberg, President and CEO of Europ Persson and other members of the Board of Directors visited Shiyan and went deep into Dongfeng Engine Factory, Dongfeng Power Plant New Factory, Dongfeng Heavy Truck New Factory and Shi…

Recently, Hunan Water Transportation Administration organized Hunan Yiyang Chenguang Machine Manufacturing Co., Ltd. to successfully develop China's first self-unloading sandba…

According to statistics from relevant departments, in 2011, the penetration rate of LED lighting market was only 1.4, but after 3 years (2014) will reach 9.6, LED lighting has nearly 7 times growth in just 4 years. As the penetration rate of LED continues to increase, as a general-purpose …

Cavitation phenomenon on the pump and its causes 1, the cavitation liquid at a certain temperature, reduce the pressure to the temperature of the vaporization pressure, the liquid will produce bubbles. The phenomenon of bubbles is called cavitation.

2, cavitation collapse Cavitatio…

The rotary table supporting the floor milling key bed is constantly updating its structure. In this paper, we analyze the ZT20A, ZT30R, TKH6913A rotary machine and the ZTS20 rotary table clamping mechanism produced by our factory. The force conditions were calculated a…

The forest fire-proof and wind-solar complementary monitoring power supply system consists of a forest monitoring center, a wireless transmission system, and a front-end monitoring point. The forest site can not take power, the monitoring point uses solar power to ensure the stable transmissi…

Recently, Dajinlong reported that the CNG (compressed natural gas) road passenger buses have started to enter the domestic road passenger transport market in bulk. The first stop is the rugged Chongqing. This move created a precedent for CNG passenger cars entering the domestic road passe…