The reasons are:
One, the production cost:
Two, as we all know, when the supply of products on the market exceeds the demand, it is necessary to increase the price, and vice versa, it is necessary to decline; this is the economic law on the steel grating market is no exception. With the increase of steel grating manufacturers, grating profits are getting thinner and thinner.
Third, the impact of the season: because the steel grating service industry (power plants, steel mills, sewage treatment plants) construction has a long cycle, so the grating will also be with their changes in the price is constantly changing.
Four, the impact of the economic cycle:
Five jerry-built phenomenon is more serious, there is anything you do not understand can ask me
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