Color fabric with UV protection performance related. Under the same conditions, the darker the better UV resistance fabric umbrellas, parasols better compared to contraction, black, navy, dark green than the light blue, light pink, light yellow and other UV resistance. UV products, protection class standard "UPF30 +"; when the UPF greater than 50, indicating excellent product performance UV protection, protection class identified as "UPF50 +". Consumers in the purchase, you should carefully review the protection grade identification, according to local insolation conditions, to buy their own umbrella. Shrink umbrellas, parasols Daxing District, Beijing high-end outdoor umbrellas provided by the Beijing Science and Technology Development Co., Ltd. Sunny sail north. Beijing North Sail Sunny Technology Development Co., Ltd. (www.bfpy2005.cn) strong, credible, Daxing District of Beijing in the tool kit, toolbox and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead North sails into the brilliant and you work for a better future!