Optional summer sun umbrella tips AQSIQ promulgated the "assessment of the performance of the textile UV" provides wholesale Dongguan sun umbrella, only UPF (ultraviolet protection coefficient) is greater than 30 umbrellas, and UVA (ultraviolet) transmittance less than advertising sun umbrella Supply 5% can be called anti-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. When should carefully review the protection grade identification, according to local insolation conditions, to buy their own umbrella. Buy umbrellas tips on how to buy umbrellas Raiders 1 Check the appearance of solid metal umbrella umbrella umbrella have type top if not kept dry, then it is easy to rust. When you purchase, you can turn a little bit with your fingers parasol Dongguan supply, if you can turn, it means poor density, easily. Parasol custom, FREEMAN Outdoor (certified), parasol, Ltd. provided by the Dongguan City FREEMAN outdoor supplies. Dongguan FREEMAN outdoor Ltd. (dg-fm.com) Dongguan, Guangdong, travel, outdoor leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. FREEMAN Outdoor Leadership in the staff warmly welcome all inquiries negotiations to create a better future FREEMAN outdoors.