solar panel

Principle of solar power generation :
The solar power generation system is composed of a solar battery pack, a solar controller, and a battery (group). If the output power is AC 220V or 110V,.......

Forged steel stop valve advantages and connection form

Forged steel globe valve has three kinds of body cover connection design: The first is the body cap bolts connected forged steel stop valve, according to the design of the valve connection form, the valve body and the valve cover bolted, wound gasket seal, The advantage is easy to repair. The s.......

WTO investigation of Sino-American tire special protection case

The Associated Press reported on the 11th that the World Trade Organization (WTO) stated in a statement on the same day that at the request of the Chinese government, the WTO dispute settlement agency will set up an investigation team to investigate the case of the United States levy.......

My compressor anti-foulant ranks among the top international players

As of the time of the press release yesterday, the Sinopec Qilu Subsidiary Plastic Factory used a 200,000-ton-per-year styrene device made by BL-628YS, a domestic environmental-friendly compressor anti-fouling agent, and achieved continuous and stable operation for 2 months, and all indicators.......

North China's largest salt coal recycling economic park started

Hebei Xingtai Chemical Industry Association disclosed on November 30 that the salt coal chemical recycling economy park planned by Ningjin County in Xingtai City has passed the demonstration and the project has entered the implementation stage. At present, it is conducting an overall environme.......

Tianrun crankshaft innovative technology for greater development

The 2009 China Machinery Industry Science and Technology Awards announced recently that Tianrun Crankshaft has independently won the first prize for the project “Development and Application of the Molybdenum High-strength Ductile Iron Casting Crankshaft Manufacturing Systemâ.......