January 24 Shanghai Steel Market Price Quotes

The product name specification material steel factory/origin price (yuan/ton) is higher than yesterday's last week than the previous month Pu line Φ6.5mm Q235 Handan 4280 0 -20 -30 Common line Φ6.5mm Q235 Jiuquan 4280 0 -20 -30 High Line Φ6.5mm Q235 Pinggang 4400 0 -10 -40 High .......

Detection and improvement of air compressor cooling effect

The compressor will release more heat during the compression process. If the heat is not good, the exhaust temperature will be too high and the compressor performance will be destroyed. If the compression process is sufficiently heat-dissipating, the compression process is close to the isoth.......

Prohibition of the production of polycarbonate baby bottles since June

The General Administration of Quality Supervision, Inspection and Quarantine announced on the 31st that since June 1st this year, it has banned the production of polycarbonate baby bottles and other baby bottles containing bisphenol A. Quality and technical supervision departments at all l.......

Japan's machine tool exports hit a record high in 2011

The Japan Machine Tool Industry Association held a press conference during the CIMT2011 in response to Japan’s macroeconomics, trends in the machine tool industry, and the Great East Japan Earthquake.

Kenichi Nakamura, chairman of the Japan Mac.......

Cause Analysis of Internal Gear Pump Pressure and Lift

Internal gear pump parts wear and tear can cause leakage, leakage caused by internal gear pump pressure and flow become smaller. Leakage between the sleeve and the gear end levitates over a large area and thus leaks in the body portion. About 50% to 70% of all this part of the drain leakag.......

Cause Analysis of Internal Gear Pump Pressure and Lift

Internal gear pump parts wear and tear can cause leakage, leakage caused by internal gear pump pressure and flow become smaller. Leakage between the sleeve and the gear end levitates over a large area and thus leaks in the body portion. About 50% to 70% of all this part of the drain leakag.......