Customers climb under the store shutter as China's first Costco shop opens in Shanghai on August 27.<br /><br />The video shows a large number of shoppers crawling into the store as the shutter slowly lifted up.<br /><br />In another clip, people were grabbing the washing liquid and fighting for the pork meat.<br /><br />Security guards can be seen forming a human wall to stop more people entering the store. <br /><br />According to reports, the store was closed in the afternoon due to the overcrowding.