Look at the label sunscreen parasol purchase Currently, textile UV function normally use UPF value (ultraviolet protection factor value), the greater the UPF value, indicating UV function better. Secondly UVA (UVA) transmittance is as small as possible. 1.UPF Dongguan parasol supply more than 30, UVA transmittance of less than 5%, talent called UV goods, protection class standards "UPF30 +"; 2.UPF greater than 50, indicating excellent merchandise UV protection function, protection rating logo for "UPF50 +"; 3. In the case of the same level of protection, satin fabric cloth umbrellas as sun protection function best, followed in order by twill, plain; the darker the better. About those who claim to have UV protection function, but did not indicate UPF sun umbrella and UVA values, we have to be careful when buying. Advertising umbrella production details determine the quality of the merits of advertising tent manufacturer selection, first and foremost there is such a difference, the fabric is good is not good advertising umbrella supply, with a Dacron cloth, nylon cloth still remain with PG cloth, nylon cloth normal course Best. Umbrella good is not good, the same one umbrella, the same iron, the primary difference, umbrella choice iron material thickness, length umbrella stick or bone, there are thicker, making it more robust umbrella stand thickness. Of course, only a selection of robust umbrella knot that is not enough, the umbrella frame joints between the bones of long bones short, jargon corns umbrella sun umbrella, advertising tents corns have copper nails, nails, cannulated screws and copper nails divided solid nails, which is good quality (since one think) cannulated screws are generally used in large umbrella, with a solid senior umbrella before nailing. Highlights of the point or umbrella with a solid copper nails. When the selection of custom advertising umbrella tents still have to pay attention, copper nails in nailing midnight, open flowers are also very important, and some bloom is not good, it will scrape cloth, sometimes very simple umbrella side hanging broken umbrellas wholesale Dongguan , manufacturers produced the umbrella stand, umbrella bloom very beautiful, touch is lubricated, mostly small factories in order to seize the time shipments, often do sucks, hand feels will scratch hands. Customized advertising umbrella | umbrella | Outdoor Ltd provided by FREEMAN FREEMAN Outdoor Dongguan. FREEMAN Outdoor Products Co., Ltd. of Dongguan City (dg-fm.com) strong, credible, in Dongguan, Guangdong tourism, outdoor supplies industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving FREEMAN innovative ideas will lead into the glorious outdoors and you work for a better future!