Pump and electric valve effective sealing conditions

The effective sealing of the pump and motorized valve depends on the overall condition of the individual components. Special attention must be paid to the equipment that needs to be replaced before the packing is installed, in accordance with the site and the system. The following is used t.......

Welcome 11-day price drop or 26-day price adjustment

As the major oil-producing countries refused to cut production, the international oil price fell sharply to the lowest level since May 2009 since December 18th. On the fifth working day of the 44th round of valuation period after the implementation of the new mechani.......

The advantages of water valves

(1) Water does not pollute the surrounding environment. Compared with mineral oil, it is low in price, pollution-free and non-toxic to the environment when stored and used, and people are more willing to use it cheaply. (2) The environment mentioned here is not just the environment of the earth.......

Study the big problems ants may have

Scientists have been conducting research on this high-level organization of ants, choosing the next queen from the way of building life rafts and flood colonization. New technologies help drive researchers' und.......

Domestic LED ceiling light sales show a rapid growth trend

LED ceiling light has become one of the mainstream products on the market as a replacement for traditional lighting. LED ceiling lights are required in shopping malls, supermarkets, hotels, offices, subways, hospitals, schools and other places. This year, the sales of domestic LED ceiling lamps.......

Buy car accessories eight items

In the maintenance and repair of automobiles, we often worry about accidentally buying counterfeit and unsuitable accessories. So, how can we buy qualified accessories?

Maintenance and maintenance of optional auto parts eight items

1. See if the logo is complete. Authentic.......