1. introduction

Conductive heating cutting is a non-traditional cutting method with a unique machining mechanism. The tool wear has completely different wear patterns and wear patterns from the traditio…

Check valve, also known as check valve or check valve. Used in hydraulic system to prevent reverse flow of oil. Check valves are straight-through and right-angle two. Straight through check valve with threaded connection installed in the pipeline. Right angle check valve threaded connections, p…

“As the large-scale multi-million-tonage PTA/CTA unit developed by Jinxi Chemical Machinery Group Co., Ltd. has passed the inspection and acceptance by experts, the PTA/CTA dryer has been monopolized by foreign countries and has been monopolized by one million tons of ethylene core equip…

In September, Meng Tao, director of the Chery Beijing Office on the second floor of Block B of the Marriott International Apartment in the East Third Ring Road, began to be busy. He will soon welcome new colleagues here, and the Beijing Office will also become Chery Jing Mengda. The throa…

At noon on August 28, 2008, the underground special operations department of Zhongyuan Oilfield applied the crack forced closing technology to perform fracturing on the well No. 1-12. The construction of a total injection of 251.3 cubic meters of fracturing fluid, the average sand ratio of 24.…

1 Overview

In recent years, many scientific researchers at home and abroad have devoted laser speed measurement technology to displacement measurement. Such as the West Germany Institute of Physics and Technology successfully de…

In the first 7 months of 2008, Chile's trucks sold 7,589 vehicles, an increase of 13.3% year-on-year. Among them, heavy-duty trucks sold 4,166 vehicles, up 18.6% year-on-year; medium-sized trucks sold 2,091 vehicles, up 18.2% year-on-year; and light trucks sold 122 vehicles, down 6% y…

Over the past 20 years, NUMROTOplus software has evolved into a standard solution for tool grinding and is suitable for 30 different machine types. Many tool makers and tool sharpeners realized the significant advantages of the software's independent p…

The G8 Energy Ministers Meeting decided on June 8th to establish an "International Energy Efficiency Partnership" to promote the improvement of energy efficiency.

Representatives of the G8 countries and representatives of China, South Korea, India and the European Union said…

As a state-controlled listed company with cross-regional, cross-industry, and cross-ownership ownership, the company currently owns nine brands including Aumansap, Times, and Parker. The production models cover light trucks, heavy trucks, light buses and large and medium-sized passenger v…

Product Name Specification Material Steel/Origin Price (Yuan/Ton) Yesterday Last Week Last Month General Line Φ6.5mm Q235 Changzhi Steel 5850 0 50 -70 Common Line Φ8mm Q235 Changzhi Steel 5850 0 50 -70 High Line Φ6.5mm Q235 Haixin 5880 0 80 -40 High line Φ6.5mm Q235 Zhongyang 5880…