Exterior cleaning, cleaning dust, price

We are guided by "professional services, customer first" principle of service, quality of service and high standards of quality of service awareness, won the trust of our customers and praise. Facade of dirt are generally divided into three, one more than a serious one is the dust; two stains; three is dirt. Commonly referred to as the dirt is three general. 2.1.1 Dust dust drifting in the air and stay in all surfaces. Dust floating in the air including dust, ash falls on the object surface, the body left behind fur, hair, dander, bacteria, surface dispersing microgranules fibers, gravel and the like. These residues obstruct objects reflective (shiny), the fiber texture becomes dull, it will emit a musty, will breed pests, damaging the surface of the material construction of the city and living environment caused by damage 2.1.2 stains stains more -component mixture of dust and water, traces of acid rain, fungus and mud, dyes stains trace components. On soft and hard surfaces are glued dye. Buildings are the largest dye stain stick surface, so once the sticky dye stains not removed, they will often stubborn retention period, so that the building was seriously contaminated surfaces. 2.1.3 dirt dirt oil-based, water-based points. As people's living standards improve, rapid industrial development, the type of dirt, more and more and more complex components. Quality is much higher than the dust and dirt stains. Dirt does not promptly cleaned surface will stay forever imprinted in the building and lose luster. In addition to these three kinds of dirt, but for the purposes of metal building materials, there is another form of dirt that color. This is the metal and water, certain substances in the air caused by a chemical reaction such as rust, Pseudomonas, gold, silver, aluminum oxide surface darkening like.