Shenzhen Sealock Outdoor Group Limited was established in Shenzhen in 2001, which include Dongguan Yifulong Outdoor Gear CO., LTD and Huizhou Yifulong laminated factory. YiFuLong focusing on developing , manufacturing and selling waterproof bags which like outdoor waterproof bag, soft cooler bag,cooler bag, bicycle waterproof bag,waterproof backpack ,military waterproof bag, waterproof backpack and waterproof escape dry bag.