When buying PPGI steel coil how to distinguish the quality of color steel coil board stand or fall. In the purchase of quality quality quality PPGI steel coil, inspection of the thin thickness of the base plate and cover subfilm thin thickness.Choose a board to just be thin normally thick, can increase its use period.Use finger or hard block to knock color steel coil board, send out sound is stuffy, show material is poor, sound is more lang lang catchy ring, show quality is high.Observe the exposed edge of the color steel coil;Query exposed stainless steel plate and cross section is not crystal fine, is not slant grey, slant dark and residue, if the cross section is crystal fine, quality is more excellent.All the merchandise comes from the wool of the sheep.
For the first time to buy PPGI steel coil plate friends, as much as possible to pick a few colored steel coil plate well-known brands, from the quality, price, sales, development trend, user evaluation on time and good after-sales service to know more, mutatis mutandis, to ensure the picture and choose its appropriate application of goods again, avoid by all means get rich quick, when buying, and have the blind competition state of mind.
