1, the regular version is a retail version, and the discount is special, that is, the whole package is sold, so the quantity and packaging are different. Generally, 550 ml packaged Nongfu Spring has the words "so packaged", and the words "Nongfu Spring discount" are printed on the outer packaging box. The overall price is a little cheaper than the retail version, but there is no bar code on the bottle body, so it can't be opened for sale. Once opened, there is no way to pay at the cashier. 2. The difference between bulk and ordinary loading of Nongfu Spring: All bulk of Nongfu Spring is the same water, but there are some differences in packaging and quantity. With the words "exclusively for", the main reason is that the supply price is lower than other channels. Because of the words "exclusively for Nongfu Spring", the packaged Nongfu Spring cannot be opened and sold bottle by bottle, because there is no bar code on a single bottle, and it is impossible to pay the bill at the checkout counter if it is opened separately. This is also why in order to prevent merchants from occupying the market through this price advantage and forming a monopoly in a region, manufacturers only allow them to retail in stores, prohibit them from re-wholesaling, and then affix the seal of "exclusive supply" to them. If it is found that other businesses that are not in this channel are selling this product, they can immediately stop the goods and punish the illegal businesses.