HVAC Metal Round Dial Regulator for Air Volume Damper USD 3-5 / Piece 200 Piece (Min.Order) Factory Price Galvanized Steel Flanged Spigot for Circular Spiral Ducting USD 1-5 / Piece 200 Piece ...

To solve repeated bearing failures in high-temperature refinery dampers, engineers replaced traditional steel components with ...

Department of Building Environment and Energy Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong Special Administrative Regions of China, P. R. China ...

WEST MIFFLIN, Pa. — President Trump told a crowd at the U.S. Steel plant outside of Pittsburgh on Friday that he is doubling tariffs on imported steel, making the announcement as he celebrated a ...

President Trump said he’s going to double the tariff rate on steel from 25 percent to 50 percent, a dramatic increase that could further increase prices for the metal used to make housing ...

HARRISBURG, Pa. (AP) — President Donald Trump held a rally in Pennsylvania on Friday to celebrate a details-to-come deal for Japan-based Nippon Steel to invest in U.S. Steel, which he says will ...

President Donald Trump will travel to Pennsylvania Friday to announce a major deal between Japan-based Nippon Steel and U.S. Steel. President Donald Trump will travel to Pennsylvania Friday with ...

President Donald Trump will travel to Pennsylvania Friday to announce a major deal between Japan-based Nippon Steel and U.S. Steel. President Donald Trump will travel to Pennsylvania Friday with plans ...