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Daily Archives: May 7, 2019

China targets steel industry as latest front in its war on pollution

China has shifted its focus in the battle for clean air to the steel industry after cutting emissions from coal power plants, the former top polluter. On Sunday, the Ministry of Ecology and Environment and four other ministries released a ...

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China pushes steel mills for greener production

China is pushing its steel enterprises to meet the national ultra-low-emission requirements in their production to promote green growth. About 60 percent of the domestic steel capacity and over 80 percent are expected to complete the green transition by the ...

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Flange requirements and technical parameters in production and use

The flange is placed between the sealing surfaces of the two flanges. After tightening the nut, the specific pressure on the surface of the gasket reaches a certain value and then deforms, and fills the unevenness on the sealing surface ...

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