So far, chasing the history of the development of gas solenoid valve. Domestic and foreign gas solenoid valve from the principle is divided into three categories (ie: direct-acting, step-by-step pilot) from the valve structure and material differences between the different and principle is divided i
Dongfeng Chaochao QD80D-E3 engine was equipped with Zhengzhou Nissan Ryukyu pickup truck recently. Dongfeng Chaochai staff performed plateau environment assessment according to engine characteristics. On May 25th, the plateau verification test started from Xining. It took more than 800 kilo
Magnetic gear pump is divided into plunger magnetic gear pump and diaphragm magnetic gear pump, now only electric piston insulation pump and electric diaphragm magnetic gear pump for comparison. Plunger magnetic gear pump is a DC motor driven reciprocating piston suction liquid, pressurized dischar
Rod pump must be in the direction of the established operation to produce a certain suction row. Pump work, should pay attention to check the pressure, temperature and mechanical seal work. Shaft seal should allow a trace of leakage, such as leakage does not exceed 20-30 seconds / drop, then that
China National Heavy Duty Truck Group relied on the “contrary situation†during the financial crisis to promote product structure upgrade and lead the transformation and upgrading of the domestic heavy-duty vehicle industry: CCTV reporters interviewed Ma Chunji, chairman of China Natio
In order to further eliminate backward production capacity and promote the transformation and upgrading of the chemical industry, Jiangsu Province will carry out special rectification activities for chemical production enterprises from July. The "Notice on Further Enlarging Work to Ensure the
Since May 1, China has officially implemented a number of laws and regulations. The "Regulations on the Implementation of the Audit Law of the People's Republic of China" stipulates that the auditing agencies shall audit and supervise the truthfulness, legality, and effectiveness of
The new launching of the V3 new car for Beiben, a new generation of heavy-duty trucks with the theme of “Coming to the Worldâ€, was held on April 22 at the Beijing National Stadium. V3 is a new generation of heavy truck developed by Beiben since the beginning of 2006 targeting the worl
When Wei Yeyong, who was the fifth general manager of Shanghai Hino, took office, it was the third year in a row that Shanghai Hino was losing money. Losses for three years, Wei Yeyong's future in Shanghai Hino was considered by the industry to be the same as his predecessor, and he was