Water source heat pump technology needs some attention

Environmental pollution and energy crisis have become two major problems in today's society. Exploiting and utilizing natural cold and heat sources can bring double benefits of energy saving and environmental protection for air conditioners, and thus are attracting more and more attenti.......

Progress in phosphate ore beneficiation technology (2)

Phosphorus ore beneficiation methods, the most important is still the flotation. According to Ceco, in 1980 more than 200 million tons of phosphate rock was treated by flotation. The United States also pointed out that in the.......

China's lubricants market witnessed a 10% annual growth rate


A study published by Kline & Company last week stated that the rapid economic growth in China will lead to more goods and people, which will increase the number of heavy vehicles such as trucks and buses, so heavy-duty motor oils , HDMO) vendors will get more business opportunities in.......

Hard turning technology and key technologies

0 Introduction Hard turning, also known as "replacement by vehicle," refers to turning hardened steel as the final finishing process. Under normal circumstances, rough machining of hardened steel parts is carried out before quenching, and after q.......

Five companies settled in the Shenyang-Taiwan-Automobile Street


The Yuhong District Government has attracted investment and five large car sales companies have settled on Yingbin Road. This year, the government of Yuhong District plans to make great efforts to build an auto franchise street. Yingbin Road is expected to become another “car featur.......