Shanghai Qingpu Firefighting fully promotes the municip…

On the afternoon of May 5th, leaders of the Qingpu detachment of the Shanghai Fire Fighting Team led a team to conduct field investigations on the transformation of fire safety in the old residential quarters of ancient towns in Zhujiajiao. The leaders of Zhujiajiao Town and Daxin Street Community ...more

Brief analysis of the seven major manifestations of mol…

With the continuous development of CMM, scanner and laser tracker technology, “online measurement” makes the measuring machine “tooling”, which requires more adaptability, and the detection technology is high speed, high precision and high. Adaptability ...more

Maintenance knowledge of Yiling Pump Industry

In addition to the structural knowledge and working principle of the simple barrel pump, the majority of users need to master some basic maintenance knowledge in order to cope with some minor faults that may occur in the process of using the Yiling pump barrel pump. In addition to the structural ...more

Which mulberry leaves can not feed silkworms

Sunshine is not planted too densely, or planted in the shade of mulberry trees, mulberry leaves are not long-term sunshine, used to feed silkworms, silkworms grow slowly, weak constitution, easy to induce silkworm disease. Linyi Fertilizer Network Copyright Immature leaf mulberry leaves are immat ...more

Analyze why the Guoqiang hardware is "high and low…

Recently held in Guangzhou, the 20th National Aluminum Doors and Windows Industry Conference and aluminum doors and windows new products Expo, Shandong Guoqiang Hardware Technology Co., Ltd. to "green open the door" concept, with its newly developed aluminum alloy doors and windo ...more

Generator commutator structure and environment characte…

The surface of the commutator is streaked and uneven. The reason is that the brush material is not suitable, the environment is not suitable, and there is oil mist. In addition, too low brush current density is also a factor in streaking. (1) The surface of the commutator is streaked and uneven. ...more

Policy is expected to strengthen the bottom of steel pr…

In March, the decline in construction materials continued, and the decline narrowed. Among them, the price of snails in Central China rose slightly. High inventory levels, slow start-up of demand, and financial pressure at the end of the quarter. The combined effect of these three factors ...more