ABB unveiled the 22nd Multinational Instrument and Instrument Exhibition

Beijing, August 30, 2011 – ABB, the world's leading power and automation technology group, today unveiled its leading control systems, analytical instruments, measurement products and low-voltage control products at the 22nd Multinational Instrumentation Conference a

Once the boss - The decline of the calcium carbide industry in Shanxi

"In less than 10 years, the calcium carbide industry in Shanxi has been thrown out of the top 10 by the country's oldest leader. The companies that are still adhering to it are also half dead." On August 20, the 24 members of the Shanxi Calcium Carbide Industry Association we

Analysis on Current Status of Domestic Small Wheel Drag Products

The first small belt-driven tractor in China (commonly known as the "small four-wheel") was launched in Shandong in the 1960s, and mass production was put on the market in the 1970s. In the 1980s, with the reform of the rural system, the small four-w

Analysis of hard tooth layer multi-shaving technique


Overview In general, the common methods for tooth profile machining of 6 to 7 hardened gears are: (1) rolling, shaving, heat, and enthalpy. (2) Rolling, heat, and grinding. (3) Rolling, heat, and scraping.
Although the "rolling and grinding" process can better ensure the pro

Developers use industrial pumps to replace civilian water pumps

Located in the Huijing Yayuan Community near the Agricultural Bank of Haiyu Island, this is a residential area with a quiet and beautiful environment. However, many residents here yesterday told reporters that the community has been plagued by “water dis

IoT ZigBee technology makes home management more effective

The new wireless technology combined with low-power, low-cost hardware enables home area networks to be affordable and easy to install for the average homeowner. At present, "home-awareness" services provided by various broadband and wireless telecommunication service p

Russia will cancel China's preferential treatment

The Russian government is reviewing the issue of the abolition of preferential treatment in China. The preferential regime was granted to China on September 13, 1994. According to the system, Chinese products enjoy special tax incentives, in which steel pipe products enjoy a 3/4 tariff concessi